csaf_redhat - rhsa-2020

rhsa-2020_4743

Vulnerability from csaf_redhat

Published

2020-11-04 01:45

Modified

2024-11-22 15:13

Summary

Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update

Notes

Topic

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467) Security Fix(es): * squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520) * squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521) * squid: Improper input validation in URI processor (CVE-2019-12523) * squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524) * squid: Heap overflow issue in URN processing (CVE-2019-12526) * squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528) * squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529) * squid: Denial of service in cachemgr.cgi (CVE-2019-12854) * squid: Buffer overflow in URI processor (CVE-2019-18676) * squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677) * squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678) * squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679) * squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860) * squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449) * squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450) * squid: DoS in TLS handshake (CVE-2020-14058) * squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049) * squid: Improper input validation could result in a DoS (CVE-2020-24606) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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          "text": "A flaw was found in squid. The absolute URL of a request can include the decoded UserInfo (username and password) for certain protocols. This decoded info may contain special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker\u0027s HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.",
          "title": "Vulnerability description"
        },
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          "text": "squid: Improper input validation in request allows for proxy manipulation",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Improper input validation in request allows for proxy manipulation"
    },
    {
      "cve": "CVE-2019-12521",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "discovery_date": "2020-04-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1827562"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it\u0027s off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can\u0027t affect adjacent memory blocks, and thus just leads to a crash while processing.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12521"
        },
        {
          "category": "external",
          "summary": "RHBZ#1827562",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827562"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12521",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12521"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12521",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12521"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt"
        }
      ],
      "release_date": "2020-04-24T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash"
    },
    {
      "cve": "CVE-2019-12523",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2019-11-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1770371"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn\u0027t go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Improper input validation in URI processor",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12523"
        },
        {
          "category": "external",
          "summary": "RHBZ#1770371",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770371"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12523",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12523"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12523",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12523"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt"
        }
      ],
      "release_date": "2019-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        },
        {
          "category": "workaround",
          "details": "Access to manager services can be prevented by enabling the Via header: (in /etc/squid/squid.conf)\n~~~ \nvia on\n~~~\nThere are no reliable workarounds to prevent access to restricted upstream servers.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Improper input validation in URI processor"
    },
    {
      "cve": "CVE-2019-12524",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2020-04-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1827570"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. The Cache Manager for Squid has rules that, by default, block access to anyone other than the maintainer. An attacker, with the ability to send a properly crafted URL, can bypass the url_regex check and gain access to the blocked resource. The highest threat from this vulnerability is to data confidentiality.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Improper access restriction in url_regex may lead to security bypass",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12524"
        },
        {
          "category": "external",
          "summary": "RHBZ#1827570",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827570"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12524",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12524"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12524",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12524"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt"
        }
      ],
      "release_date": "2020-04-24T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Improper access restriction in url_regex may lead to security bypass"
    },
    {
      "cve": "CVE-2019-12526",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2019-11-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1770356"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A heap-based buffer overflow was found in the way squid processed certain Uniform Resource Names (URNs). A remote attacker could use this flaw to cause Squid to crash or execute arbitrary code with the permissions of the user running Squid.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Heap overflow issue in URN processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is a heap-based buffer overflow, which can be triggered by a malicious client. The client can overwrite substantial amount of heap potentially causing squid to crash or even execute arbitrary code with the permissions of the user running squid (normally squid user which is non-privileged). Also on Red Hat Products, squid is confined with selinux which should reduce the possibilities of code execution.\n\nBecause of the above mentioned difficulties in exploitation, Red Hat Product Security has classified this flaw as having Moderate impact.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12526"
        },
        {
          "category": "external",
          "summary": "RHBZ#1770356",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770356"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12526",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12526"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12526",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12526"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_7.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_7.txt"
        }
      ],
      "release_date": "2019-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        },
        {
          "category": "workaround",
          "details": "The following mitigation is suggested by upstream:\n\nDeny urn: protocol URI being proxied to all clients:\n~~~\n    acl URN proto URN\n    http_access deny URN\n~~~",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Heap overflow issue in URN processing"
    },
    {
      "cve": "CVE-2019-12528",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2020-02-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1798534"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users\u0027 sessions or non-Squid processes.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Information Disclosure issue in FTP Gateway",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12528"
        },
        {
          "category": "external",
          "summary": "RHBZ#1798534",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798534"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12528",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12528"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12528",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12528"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt"
        }
      ],
      "release_date": "2020-02-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        },
        {
          "category": "workaround",
          "details": "As a workaround, it is possible to disable support for FTP. In order to do so, remove the following line from your squid configuration file:\nacl Safe_ports 21\n\nThen add the following lines to your squid configuration file:\nacl FTP proto FTP\nhttp_access deny FTP",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Information Disclosure issue in FTP Gateway"
    },
    {
      "cve": "CVE-2019-12529",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2019-07-12T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1730528"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn\u0027t greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Out of bounds read in Proxy-Authorization header causes DoS",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12529"
        },
        {
          "category": "external",
          "summary": "RHBZ#1730528",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1730528"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12529",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12529"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12529",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12529"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt"
        }
      ],
      "release_date": "2019-07-11T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        },
        {
          "category": "workaround",
          "details": "Remove \u0027auth_param basic ...\u0027 configuration settings from squid.conf",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Out of bounds read in Proxy-Authorization header causes DoS"
    },
    {
      "cve": "CVE-2019-12854",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-07-15T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1730523"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Denial of service in cachemgr.cgi",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-12854"
        },
        {
          "category": "external",
          "summary": "RHBZ#1730523",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1730523"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12854",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-12854"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12854",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12854"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt"
        }
      ],
      "release_date": "2019-07-12T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Denial of service in cachemgr.cgi"
    },
    {
      "cve": "CVE-2019-18676",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2019-11-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1770375"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Buffer overflow in URI processor",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-18676"
        },
        {
          "category": "external",
          "summary": "RHBZ#1770375",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770375"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18676",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-18676"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18676",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18676"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt"
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      "release_date": "2019-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Buffer overflow in URI processor"
    },
    {
      "cve": "CVE-2019-18677",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2019-11-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1770365"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Cross-Site Request Forgery issue in HTTP Request processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-18677"
        },
        {
          "category": "external",
          "summary": "RHBZ#1770365",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770365"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18677",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-18677"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18677",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18677"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_9.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_9.txt"
        }
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      "release_date": "2019-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        },
        {
          "category": "workaround",
          "details": "As per upstream:\n\nRemove append_domain configuration settings from squid.conf.\nThe append_domain feature is redundant when /etc/resolv.conf  is used to determine hostnames. However, please note that use of /etc/resolv.conf may require removal of dns_nameservers and other redundant DNS directives.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Cross-Site Request Forgery issue in HTTP Request processing"
    },
    {
      "cve": "CVE-2019-18678",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2019-11-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1770349"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: HTTP Request Splitting issue in HTTP message processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-18678"
        },
        {
          "category": "external",
          "summary": "RHBZ#1770349",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770349"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18678",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-18678"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18678",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18678"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_10.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_10.txt"
        }
      ],
      "release_date": "2019-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "restart_required": {
            "category": "none"
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        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.0"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: HTTP Request Splitting issue in HTTP message processing"
    },
    {
      "cve": "CVE-2019-18679",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2019-11-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1770360"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Information Disclosure issue in HTTP Digest Authentication",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-18679"
        },
        {
          "category": "external",
          "summary": "RHBZ#1770360",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1770360"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18679",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-18679"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18679",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18679"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt",
          "url": "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt"
        }
      ],
      "release_date": "2019-11-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
        },
        {
          "category": "workaround",
          "details": "Remove \u0027auth_param digest ...\u0027 configuration settings from squid.conf.",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Information Disclosure issue in HTTP Digest Authentication"
    },
    {
      "cve": "CVE-2019-18860",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2020-03-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1817121"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. Squid, when certain web browsers are used, mishandles HTML in the host parameter to cachemgr.cgi which could result in squid behaving in unsecure way.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-18860"
        },
        {
          "category": "external",
          "summary": "RHBZ#1817121",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1817121"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-18860",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-18860"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-18860",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18860"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/pull/504",
          "url": "https://github.com/squid-cache/squid/pull/504"
        }
      ],
      "release_date": "2019-11-03T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
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          "category": "workaround",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour"
    },
    {
      "cve": "CVE-2020-8449",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2020-02-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1798540"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. Due to incorrect input validation, squid can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Improper input validation issues in HTTP Request processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This only affects deployments acting as reverse proxy with a http_port \u0027accel\u0027 or \u0027vhost\u0027 (squid 2.x and 3.x) or http_port \u0027accel\u0027 configuration (squid 4.x).",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-8449"
        },
        {
          "category": "external",
          "summary": "RHBZ#1798540",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798540"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8449",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-8449"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8449",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8449"
        }
      ],
      "release_date": "2020-02-03T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Improper input validation issues in HTTP Request processing"
    },
    {
      "cve": "CVE-2020-8450",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2020-02-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1798552"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Buffer overflow in reverse-proxy configurations",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Although the squid packages for Red Hat Enterprise Linux 6 through 8 are affected, they are compiled with FORTIFY_SOURCE, which in this case limits the impact of the buffer overflow to an application termination. This only affects deployments acting as reverse proxy with a http_port \u0027accel\u0027 or \u0027vhost\u0027 (squid 2.x and 3.x) or http_port \u0027accel\u0027 configuration (squid 4.x).",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-8450"
        },
        {
          "category": "external",
          "summary": "RHBZ#1798552",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798552"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8450",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-8450"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8450",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8450"
        }
      ],
      "release_date": "2020-02-03T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Buffer overflow in reverse-proxy configurations"
    },
    {
      "cve": "CVE-2020-14058",
      "cwe": {
        "id": "CWE-676",
        "name": "Use of Potentially Dangerous Function"
      },
      "discovery_date": "2020-06-19T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1852554"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. A denial-of-service attack while processing TLS certificates is possible due to use of a potentially dangerous function in Squid and the default certificate validation helper. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: DoS in TLS handshake",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-14058"
        },
        {
          "category": "external",
          "summary": "RHBZ#1852554",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852554"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-14058",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-14058"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-14058",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-14058"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57",
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57"
        }
      ],
      "release_date": "2020-06-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: DoS in TLS handshake"
    },
    {
      "cve": "CVE-2020-15049",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2020-06-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1852550"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. A trusted client is able to perform a request smuggling and poison the HTTP cache contents with crafted HTTP(S) request messages. This attack requires an upstream server to participate in the smuggling and generate the poison response sequence. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Request smuggling and poisoning attack against the HTTP cache",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue has been rated as having moderate security impact, (despite of having a higher CVSS scoring) because the attack requires an upstream server to participate in the smuggling attack and generate the poison response sequence, which is really uncommon because most popular software are not vulnerable to participation in this attack. While the vulnerability does exists in squid, it is not easily exploitable and requires participation of other components on the network.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-15049"
        },
        {
          "category": "external",
          "summary": "RHBZ#1852550",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852550"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-15049",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-15049"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-15049",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15049"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5",
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"
        }
      ],
      "release_date": "2020-06-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Request smuggling and poisoning attack against the HTTP cache"
    },
    {
      "cve": "CVE-2020-24606",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2020-08-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1871705"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in squid. A denial of service attack is possible due to an improper input validation. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Improper input validation could result in a DoS",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-24606"
        },
        {
          "category": "external",
          "summary": "RHBZ#1871705",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1871705"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24606",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-24606"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24606",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24606"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg",
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg"
        }
      ],
      "release_date": "2020-08-23T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-11-04T01:45:05+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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          "url": "https://access.redhat.com/errata/RHSA-2020:4743"
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            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x",
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            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debugsource-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debugsource-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debugsource-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debugsource-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-devel-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-devel-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-devel-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-devel-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.src",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debuginfo-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debuginfo-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debuginfo-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debuginfo-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x",
            "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squid: Improper input validation could result in a DoS"
    }
  ]
}

cve-2019-12521

Vulnerability from cvelistv5

Published

2020-04-15 18:47

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.

References

▼	URL	Tags
	https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/04/23/1	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202005-05	vendor-advisory, x_refsource_GENTOO
	https://usn.ubuntu.com/4356-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210205-0006/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T23:24:38.850Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt"
          },
          {
            "name": "[oss-security] 20200423 [ADVISORY] SQUID-2019:12 Multiple issues in ESI Response processing",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/04/23/1"
          },
          {
            "name": "DSA-4682",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4682"
          },
          {
            "name": "openSUSE-SU-2020:0623",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html"
          },
          {
            "name": "GLSA-202005-05",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202005-05"
          },
          {
            "name": "USN-4356-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4356-1/"
          },
          {
            "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
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            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
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          {
            "tags": [
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              "x_transferred"
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            "url": "https://security.netapp.com/advisory/ntap-20210205-0006/"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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        }
      ],
      "problemTypes": [
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        "dateUpdated": "2021-02-05T11:06:18",
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          "url": "https://www.debian.org/security/2020/dsa-4682"
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          "name": "openSUSE-SU-2020:0623",
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          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html"
        },
        {
          "name": "GLSA-202005-05",
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          ],
          "url": "https://security.gentoo.org/glsa/202005-05"
        },
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          "name": "USN-4356-1",
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          "url": "https://usn.ubuntu.com/4356-1/"
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          "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
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          "url": "https://security.netapp.com/advisory/ntap-20210205-0006/"
        }
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      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-12521",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
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                          {
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                      }
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                "vendor_name": "n/a"
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
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            }
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        },
        "problemtype": {
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                  "value": "n/a"
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        "references": {
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              "url": "http://www.openwall.com/lists/oss-security/2020/04/23/1"
            },
            {
              "name": "DSA-4682",
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              "url": "https://www.debian.org/security/2020/dsa-4682"
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              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html"
            },
            {
              "name": "GLSA-202005-05",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202005-05"
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              "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
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              "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210205-0006/",
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              "url": "https://security.netapp.com/advisory/ntap-20210205-0006/"
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    "datePublished": "2020-04-15T18:47:43",
    "dateReserved": "2019-06-02T00:00:00",
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

cve-2019-12529

Vulnerability from cvelistv5

Published

2019-07-11 18:33

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.

References

▼	URL	Tags
	http://www.squid-cache.org/Versions/v4/changesets/	x_refsource_CONFIRM
	https://github.com/squid-cache/squid/commits/v4	x_refsource_CONFIRM
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-dd46b5417809647f561d8a5e0e74c3aacd235258.patch	x_refsource_CONFIRM
	https://usn.ubuntu.com/4065-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4065-2/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2019/dsa-4507	vendor-advisory, x_refsource_DEBIAN
	https://seclists.org/bugtraq/2019/Aug/42	mailing-list, x_refsource_BUGTRAQ
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html	vendor-advisory, x_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T23:24:38.470Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.squid-cache.org/Versions/v4/changesets/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/squid-cache/squid/commits/v4"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-dd46b5417809647f561d8a5e0e74c3aacd235258.patch"
          },
          {
            "name": "USN-4065-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4065-1/"
          },
          {
            "name": "[debian-lts-announce] 20190720 [SECURITY] [DLA 1858-1] squid3 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html"
          },
          {
            "name": "USN-4065-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4065-2/"
          },
          {
            "name": "FEDORA-2019-cb50bcc189",
            "tags": [
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cve-2020-8450

Vulnerability from cvelistv5

Published

2020-02-04 19:51

Modified

2024-08-04 09:56

Severity ?

Summary

An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.

References

▼	URL	Tags
	http://www.squid-cache.org/Advisories/SQUID-2020_1.txt	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch	x_refsource_MISC
	https://usn.ubuntu.com/4289-1/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html	vendor-advisory, x_refsource_SUSE
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210304-0002/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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            },
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/"
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              "name": "openSUSE-SU-2020:0606",
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              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html"
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cve-2020-14058

Vulnerability from cvelistv5

Published

2020-06-30 18:30

Modified

2024-08-04 12:32

Severity ?

Summary

An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when opening a TLS connection to an attacker-controlled server for HTTPS. This occurs because unrecognized error values are mapped to NULL, but later code expects that each error value is mapped to a valid error string.

References

▼	URL	Tags
	http://www.squid-cache.org/Versions/v5/changesets/squid-5-c6d1a4f6a2cbebceebc8a3fcd8f539ceb7b7f723.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-93f5fda134a2a010b84ffedbe833d670e63ba4be.patch	x_refsource_MISC
	http://www.squid-cache.org/Advisories/SQUID-2020_6.txt	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/	vendor-advisory, x_refsource_FEDORA
	https://security.netapp.com/advisory/ntap-20210312-0001/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
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cve-2019-12526

Vulnerability from cvelistv5

Published

2019-11-26 16:41

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap.

References

▼	URL	Tags
	https://bugzilla.suse.com/show_bug.cgi?id=1156326	x_refsource_CONFIRM
	http://www.squid-cache.org/Advisories/SQUID-2019_7.txt	x_refsource_CONFIRM
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.suse.com/show_bug.cgi?id=1156326",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1156326"
            },
            {
              "name": "http://www.squid-cache.org/Advisories/SQUID-2019_7.txt",
              "refsource": "CONFIRM",
              "url": "http://www.squid-cache.org/Advisories/SQUID-2019_7.txt"
            },
            {
              "name": "USN-4213-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4213-1/"
            },
            {
              "name": "FEDORA-2019-0b16cbdd0e",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/"
            },
            {
              "name": "FEDORA-2019-9538783033",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/"
            },
            {
              "name": "[debian-lts-announce] 20191210 [SECURITY] [DLA 2028-1] squid3 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html"
            },
            {
              "name": "GLSA-202003-34",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202003-34"
            },
            {
              "name": "DSA-4682",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4682"
            },
            {
              "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-12526",
    "datePublished": "2019-11-26T16:41:57",
    "dateReserved": "2019-06-02T00:00:00",
    "dateUpdated": "2024-08-04T23:24:38.860Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

cve-2020-15049

Vulnerability from cvelistv5

Published

2020-06-30 17:55

Modified

2024-08-04 13:08

Severity ?

9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.

References

▼	URL	Tags
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch	x_refsource_MISC
	https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2020/dsa-4732	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4551-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210312-0001/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        "providerMetadata": {
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            "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch"
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            "url": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"
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          {
            "name": "FEDORA-2020-cbebc5617e",
            "tags": [
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"
          },
          {
            "name": "DSA-4732",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4732"
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          {
            "name": "openSUSE-SU-2020:1346",
            "tags": [
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html"
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            "name": "openSUSE-SU-2020:1369",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html"
          },
          {
            "name": "USN-4551-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4551-1/"
          },
          {
            "name": "[debian-lts-announce] 20201002 [SECURITY] [DLA 2394-1] squid3 security update",
            "tags": [
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            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210312-0001/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "lang": "en",
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        }
      ],
      "metrics": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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        "dateUpdated": "2021-03-12T12:06:30",
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        "shortName": "mitre"
      },
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          "tags": [
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          ],
          "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch"
        },
        {
          "tags": [
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          "url": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch"
        },
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"
        },
        {
          "name": "FEDORA-2020-cbebc5617e",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"
        },
        {
          "name": "DSA-4732",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4732"
        },
        {
          "name": "openSUSE-SU-2020:1346",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html"
        },
        {
          "name": "openSUSE-SU-2020:1369",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html"
        },
        {
          "name": "USN-4551-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4551-1/"
        },
        {
          "name": "[debian-lts-announce] 20201002 [SECURITY] [DLA 2394-1] squid3 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210312-0001/"
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          "ID": "CVE-2020-15049",
          "STATE": "PUBLIC"
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        "affects": {
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            "vendor_data": [
              {
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                    {
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value."
            }
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        "impact": {
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            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
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        "references": {
          "reference_data": [
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              "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch",
              "refsource": "MISC",
              "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch"
            },
            {
              "name": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch",
              "refsource": "MISC",
              "url": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch"
            },
            {
              "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5",
              "refsource": "CONFIRM",
              "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"
            },
            {
              "name": "FEDORA-2020-cbebc5617e",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"
            },
            {
              "name": "DSA-4732",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4732"
            },
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              "name": "openSUSE-SU-2020:1346",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html"
            },
            {
              "name": "openSUSE-SU-2020:1369",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html"
            },
            {
              "name": "USN-4551-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4551-1/"
            },
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              "name": "[debian-lts-announce] 20201002 [SECURITY] [DLA 2394-1] squid3 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210312-0001/",
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              "url": "https://security.netapp.com/advisory/ntap-20210312-0001/"
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  },
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    "assignerShortName": "mitre",
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    "dateReserved": "2020-06-25T00:00:00",
    "dateUpdated": "2024-08-04T13:08:21.396Z",
    "state": "PUBLISHED"
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}

cve-2019-12520

Vulnerability from cvelistv5

Published

2020-04-15 19:14

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request. If found, it servers the request. The absolute URL can include the decoded UserInfo (username and password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to provide a username that has special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.

References

▼	URL	Tags
	http://www.squid-cache.org/Versions/v4/	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/	x_refsource_MISC
	https://github.com/squid-cache/squid/commits/v4	x_refsource_MISC
	https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12520.txt	x_refsource_MISC
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4446-1/	vendor-advisory, x_refsource_UBUNTU
	https://security.netapp.com/advisory/ntap-20210205-0006/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T23:24:38.487Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.squid-cache.org/Versions/v4/"
          },
          {
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.squid-cache.org/Versions/v4/changesets/"
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/squid-cache/squid/commits/v4"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12520.txt"
          },
          {
            "name": "DSA-4682",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4682"
          },
          {
            "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
          },
          {
            "name": "USN-4446-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4446-1/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210205-0006/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request. If found, it servers the request. The absolute URL can include the decoded UserInfo (username and password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to provide a username that has special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker\u0027s HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI."
        }
      ],
      "problemTypes": [
        {
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            {
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              "lang": "en",
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        "dateUpdated": "2021-02-05T11:06:17",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
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        {
          "tags": [
            "x_refsource_MISC"
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          ],
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        },
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          ],
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        },
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            "x_refsource_MISC"
          ],
          "url": "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12520.txt"
        },
        {
          "name": "DSA-4682",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4682"
        },
        {
          "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
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          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
        },
        {
          "name": "USN-4446-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4446-1/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210205-0006/"
        }
      ],
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cve-2019-18678

Vulnerability from cvelistv5

Published

2019-11-26 16:15

Modified

2024-08-05 02:02

Severity ?

Summary

An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.

References

▼	URL	Tags
	https://github.com/squid-cache/squid/pull/445	x_refsource_MISC
	https://bugzilla.suse.com/show_bug.cgi?id=1156323	x_refsource_CONFIRM
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-671ba97abe929156dc4c717ee52ad22fba0f7443.patch	x_refsource_CONFIRM
	http://www.squid-cache.org/Advisories/SQUID-2019_10.txt	x_refsource_CONFIRM
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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          "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html"
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            "x_refsource_DEBIAN"
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cve-2020-24606

Vulnerability from cvelistv5

Published

2020-08-24 17:06

Modified

2024-08-04 15:19

Severity ?

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Summary

Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF.

References

▼	URL	Tags
	https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_9.patch	x_refsource_MISC
	https://www.debian.org/security/2020/dsa-4751	vendor-advisory, x_refsource_DEBIAN
	https://usn.ubuntu.com/4477-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJJDI7JQFGQLVNCKMVY64LAFMKERAOK7/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMTFLVB7GLRF2CKGFPZ4G4R5DIIPHWI3/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html	vendor-advisory, x_refsource_SUSE
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BE6FKUN7IGTIR2MEEMWYDT7N5EJJLZI2/	vendor-advisory, x_refsource_FEDORA
	https://usn.ubuntu.com/4551-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210219-0007/	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20210226-0007/	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20210226-0006/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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cve-2019-18860

Vulnerability from cvelistv5

Published

2020-03-20 20:32

Modified

2024-08-05 02:02

Severity ?

Summary

Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.

References

▼	URL	Tags
	https://github.com/squid-cache/squid/pull/504	x_refsource_CONFIRM
	https://github.com/squid-cache/squid/pull/505	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4356-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4732	vendor-advisory, x_refsource_DEBIAN

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-05T02:02:39.914Z",
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cve-2019-18679

Vulnerability from cvelistv5

Published

2019-11-26 16:14

Modified

2024-08-05 02:02

Severity ?

Summary

An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.

References

▼	URL	Tags
	https://github.com/squid-cache/squid/pull/491	x_refsource_MISC
	https://bugzilla.suse.com/show_bug.cgi?id=1156324	x_refsource_CONFIRM
	http://www.squid-cache.org/Advisories/SQUID-2019_11.txt	x_refsource_CONFIRM
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-671ba97abe929156dc4c717ee52ad22fba0f7443.patch	x_refsource_CONFIRM
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

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cve-2020-8449

Vulnerability from cvelistv5

Published

2020-02-04 19:50

Modified

2024-08-04 09:56

Severity ?

Summary

An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.

References

▼	URL	Tags
	http://www.squid-cache.org/Advisories/SQUID-2020_1.txt	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch	x_refsource_MISC
	http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch	x_refsource_MISC
	https://usn.ubuntu.com/4289-1/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html	vendor-advisory, x_refsource_SUSE
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210304-0002/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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cve-2019-12524

Vulnerability from cvelistv5

Published

2020-04-15 18:35

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.

References

▼	URL	Tags
	https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt	x_refsource_MISC
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4446-1/	vendor-advisory, x_refsource_UBUNTU
	https://security.netapp.com/advisory/ntap-20210205-0006/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
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cve-2019-12854

Vulnerability from cvelistv5

Published

2019-08-15 16:15

Modified

2024-08-04 23:32

Severity ?

Summary

Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.

References

▼	URL	Tags
	http://www.squid-cache.org/Advisories/SQUID-2019_1.txt	x_refsource_MISC
	https://bugs.squid-cache.org/show_bug.cgi?id=4937	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-2981a957716c61ff7e21eee1d7d6eb5a237e466d.patch	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/	x_refsource_CONFIRM
	https://www.debian.org/security/2019/dsa-4507	vendor-advisory, x_refsource_DEBIAN
	https://seclists.org/bugtraq/2019/Aug/42	mailing-list, x_refsource_BUGTRAQ
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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            },
            {
              "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-2981a957716c61ff7e21eee1d7d6eb5a237e466d.patch",
              "refsource": "MISC",
              "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-2981a957716c61ff7e21eee1d7d6eb5a237e466d.patch"
            },
            {
              "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/",
              "refsource": "CONFIRM",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/"
            },
            {
              "name": "DSA-4507",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4507"
            },
            {
              "name": "20190825 [SECURITY] [DSA 4507-1] squid security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Aug/42"
            },
            {
              "name": "openSUSE-SU-2019:2540",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html"
            },
            {
              "name": "openSUSE-SU-2019:2541",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html"
            },
            {
              "name": "USN-4213-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4213-1/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-12854",
    "datePublished": "2019-08-15T16:15:23",
    "dateReserved": "2019-06-16T00:00:00",
    "dateUpdated": "2024-08-04T23:32:55.368Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

cve-2019-12528

Vulnerability from cvelistv5

Published

2020-02-04 20:07

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.

References

▼	URL	Tags
	http://www.squid-cache.org/Advisories/SQUID-2020_2.txt	x_refsource_CONFIRM
	https://usn.ubuntu.com/4289-1/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html	vendor-advisory, x_refsource_SUSE
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        "providerMetadata": {
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html"
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              "x_refsource_FEDORA",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/"
          },
          {
            "name": "FEDORA-2020-790296a8f4",
            "tags": [
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/"
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html"
          },
          {
            "name": "DSA-4682",
            "tags": [
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              "x_refsource_DEBIAN",
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        {
          "name": "FEDORA-2020-790296a8f4",
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          "name": "openSUSE-SU-2020:0606",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html"
        },
        {
          "name": "DSA-4682",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4682"
        },
        {
          "name": "openSUSE-SU-2020:0623",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
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          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html"
        },
        {
          "name": "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/"
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    "cveId": "CVE-2019-12528",
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    "dateUpdated": "2024-08-04T23:24:38.601Z",
    "state": "PUBLISHED"
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}

cve-2019-18676

Vulnerability from cvelistv5

Published

2019-11-26 16:23

Modified

2024-08-05 01:54

Severity ?

Summary

An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.

References

▼	URL	Tags
	https://github.com/squid-cache/squid/pull/275	x_refsource_MISC
	http://www.squid-cache.org/Advisories/SQUID-2019_8.txt	x_refsource_CONFIRM
	https://bugzilla.suse.com/show_bug.cgi?id=1156329	x_refsource_CONFIRM
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-fbbdf75efd7a5cc244b4886a9d42ea458c5a3a73.patch	x_refsource_CONFIRM
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4446-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T01:54:14.482Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          {
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              "x_transferred"
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            "url": "https://github.com/squid-cache/squid/pull/275"
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              "x_transferred"
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          },
          {
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              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1156329"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
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            "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-fbbdf75efd7a5cc244b4886a9d42ea458c5a3a73.patch"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/"
          },
          {
            "name": "FEDORA-2019-9538783033",
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            "tags": [
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    "cna": {
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        {
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        },
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cve-2019-12523

Vulnerability from cvelistv5

Published

2019-11-26 16:39

Modified

2024-08-04 23:24

Severity ?

Summary

An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.

References

▼	URL	Tags
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html	x_refsource_CONFIRM
	http://www.squid-cache.org/Advisories/SQUID-2019_8.txt	x_refsource_CONFIRM
	https://bugzilla.suse.com/show_bug.cgi?id=1156329	x_refsource_CONFIRM
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4446-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
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            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/"
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cve-2019-18677

Vulnerability from cvelistv5

Published

2019-11-26 16:21

Modified

2024-08-05 01:54

Severity ?

Summary

An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.

References

▼	URL	Tags
	https://github.com/squid-cache/squid/pull/427	x_refsource_MISC
	https://bugzilla.suse.com/show_bug.cgi?id=1156328	x_refsource_CONFIRM
	http://www.squid-cache.org/Advisories/SQUID-2019_9.txt	x_refsource_CONFIRM
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-36492033ea4097821a4f7ff3ddcb971fbd1e8ba0.patch	x_refsource_CONFIRM
	http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-e5f1813a674848dde570f7920873e1071f96e0b4.patch	x_refsource_CONFIRM
	https://usn.ubuntu.com/4213-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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    "dateReserved": "2019-11-04T00:00:00",
    "dateUpdated": "2024-08-05T01:54:14.540Z",
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

Vulnerability from csaf_redhat

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature