rhsa-2020_2646
Vulnerability from csaf_redhat
Published
2020-06-22 13:08
Modified
2024-11-05 22:22
Summary
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP3 security update

Notes

Topic
Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 3 zip release for RHEL 6, RHEL 7 and Microsoft Windows is available. Red Hat Product Security has rated this update as having a security impact of Important. 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
Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release adds the new Apache HTTP Server 2.4.37 Service Pack 3 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 2 and includes bug fixes and enhancements. Refer to the Release Notes for information on the most significant bug fixes and enhancements included in this release. Security fix(es): * httpd: mod_http2: read-after-free on a string compare (CVE-2019-0196) * httpd: mod_http2: possible crash on late upgrade (CVE-2019-0197) * httpd: mod_proxy_ftp use of uninitialized value (CVE-2020-1934) * nghttp2: overly large SETTINGS frames can lead to DoS (CVE-2020-11080) * libxml2: There's a memory leak in xmlParseBalancedChunkMemoryRecover in parser.c that could result in a crash (CVE-2019-19956) * libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388) * libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations (CVE-2020-7595) * expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843) * expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903) 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.
Terms of Use
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": "Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 3 zip release for RHEL 6, RHEL 7 and Microsoft Windows is available.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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.",
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      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-06-24T00:00:00+00:00",
      "ids": [
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          "text": "1723723"
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          "category": "description",
          "text": "It was discovered that the \"setElementTypePrefix()\" function incorrectly extracted XML namespace prefixes. By tricking an application into processing a specially crafted XML file, an attacker could cause unusually high consumption of memory resources and possibly lead to a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "expat: large number of colons in input makes parser consume high amount of resources, leading to DoS",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "When processing a specially crafted XML file, expat may use more memory than ultimately necessary, which can also lead to increased CPU usage and longer processing times. Depending on available system resources and configuration, this may also lead to the application triggering the Out-Of-Memory-Killer, causing the application to be terminated.",
          "title": "Statement"
        },
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          "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.",
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2018-20843"
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          "category": "external",
          "summary": "RHBZ#1723723",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1723723"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-20843",
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-20843",
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          "summary": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931031",
          "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931031"
        }
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      "release_date": "2019-06-24T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
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          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
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      "scores": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      "title": "expat: large number of colons in input makes parser consume high amount of resources, leading to DoS"
    },
    {
      "cve": "CVE-2019-0196",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2019-04-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1695030"
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          "category": "description",
          "text": "A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly.",
          "title": "Vulnerability description"
        },
        {
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          "text": "httpd: mod_http2: read-after-free on a string compare",
          "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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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-0196"
        },
        {
          "category": "external",
          "summary": "RHBZ#1695030",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1695030"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-0196",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-0196"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0196",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0196"
        },
        {
          "category": "external",
          "summary": "http://www.apache.org/dist/httpd/CHANGES_2.4",
          "url": "http://www.apache.org/dist/httpd/CHANGES_2.4"
        },
        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
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      ],
      "release_date": "2019-04-01T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
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      "scores": [
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            "privilegesRequired": "NONE",
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      "title": "httpd: mod_http2: read-after-free on a string compare"
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        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1695042"
        }
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      "notes": [
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          "category": "description",
          "text": "A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set \"H2Upgrade on\" are unaffected by this issue.",
          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "httpd: mod_http2: possible crash on late upgrade",
          "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": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-0197"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1695042"
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          "url": "https://www.cve.org/CVERecord?id=CVE-2019-0197"
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0197",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0197"
        },
        {
          "category": "external",
          "summary": "http://www.apache.org/dist/httpd/CHANGES_2.4",
          "url": "http://www.apache.org/dist/httpd/CHANGES_2.4"
        },
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          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
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      "remediations": [
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          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
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      ],
      "title": "httpd: mod_http2: possible crash on late upgrade"
    },
    {
      "cve": "CVE-2019-15903",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "discovery_date": "2019-09-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1752592"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "expat: heap-based buffer over-read via crafted XML input",
          "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": {
        "fixed": [
          "Red Hat JBoss Core Services 1"
        ]
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      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-15903"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1752592"
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15903"
        }
      ],
      "release_date": "2019-09-04T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "expat: heap-based buffer over-read via crafted XML input"
    },
    {
      "cve": "CVE-2019-19956",
      "cwe": {
        "id": "CWE-772",
        "name": "Missing Release of Resource after Effective Lifetime"
      },
      "discovery_date": "2020-01-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1788856"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc-\u003eoldNs.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libxml2: memory leak in xmlParseBalancedChunkMemoryRecover in parser.c",
          "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": {
        "fixed": [
          "Red Hat JBoss Core Services 1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-19956"
        },
        {
          "category": "external",
          "summary": "RHBZ#1788856",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788856"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-19956",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-19956"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-19956",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-19956"
        }
      ],
      "release_date": "2020-01-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        }
      ],
      "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": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libxml2: memory leak in xmlParseBalancedChunkMemoryRecover in parser.c"
    },
    {
      "cve": "CVE-2019-20388",
      "cwe": {
        "id": "CWE-401",
        "name": "Missing Release of Memory after Effective Lifetime"
      },
      "discovery_date": "2020-02-06T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1799734"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A memory leak was found in the xmlSchemaValidateStream function of libxml2. Applications that use this library may be vulnerable to memory not being freed leading to a denial of service. System availability is the highest threat from this vulnerability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c",
          "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": {
        "fixed": [
          "Red Hat JBoss Core Services 1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-20388"
        },
        {
          "category": "external",
          "summary": "RHBZ#1799734",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1799734"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-20388",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-20388"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-20388",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20388"
        }
      ],
      "release_date": "2020-01-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        }
      ],
      "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": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c"
    },
    {
      "cve": "CVE-2020-1934",
      "cwe": {
        "id": "CWE-456",
        "name": "Missing Initialization of a Variable"
      },
      "discovery_date": "2020-04-01T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1820772"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Apache\u0027s HTTP server (httpd) .The mod_proxy_ftp module may use uninitialized memory with proxying to a malicious FTP server. The highest threat from this vulnerability is to data confidentiality.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: mod_proxy_ftp use of uninitialized value",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This flaw is caused by use of an uninitialized memory variable. Practically this has no impact, but in some corner cases it is possible that the contents of this variable could be read by a remote process, causing loss of confidentiality as a result of this. There is no evidence of code execution.",
          "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": {
        "fixed": [
          "Red Hat JBoss Core Services 1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-1934"
        },
        {
          "category": "external",
          "summary": "RHBZ#1820772",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1820772"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-1934",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-1934"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-1934",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1934"
        },
        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
      ],
      "release_date": "2020-04-01T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "httpd: mod_proxy_ftp use of uninitialized value"
    },
    {
      "cve": "CVE-2020-7595",
      "cwe": {
        "id": "CWE-835",
        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
      },
      "discovery_date": "2020-02-06T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1799786"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations",
          "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": {
        "fixed": [
          "Red Hat JBoss Core Services 1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-7595"
        },
        {
          "category": "external",
          "summary": "RHBZ#1799786",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1799786"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-7595",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-7595"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-7595",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7595"
        }
      ],
      "release_date": "2020-01-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        }
      ],
      "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": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Envoy security team"
          ]
        }
      ],
      "cve": "CVE-2020-11080",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2020-06-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1844929"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A resource consumption vulnerability was found in nghttp2. This flaw allows an attacker to repeatedly construct an overly large HTTP/2 SETTINGS frame with a length of 14,400 bytes that causes excessive CPU usage, leading to a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nghttp2: overly large SETTINGS frames can lead to 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": {
        "fixed": [
          "Red Hat JBoss Core Services 1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-11080"
        },
        {
          "category": "external",
          "summary": "RHBZ#1844929",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1844929"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-11080",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-11080"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-11080",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11080"
        },
        {
          "category": "external",
          "summary": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr",
          "url": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr"
        }
      ],
      "release_date": "2020-06-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-22T13:08:26+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
          "product_ids": [
            "Red Hat JBoss Core Services 1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2646"
        }
      ],
      "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": [
            "Red Hat JBoss Core Services 1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "nghttp2: overly large SETTINGS frames can lead to DoS"
    }
  ]
}


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  • 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.