rhsa-2024_0071
Vulnerability from csaf_redhat
Published
2024-01-08 08:23
Modified
2024-11-06 04:37
Summary
Red Hat Security Advisory: squid security update

Notes

Topic
An update for squid is now available for Red Hat Enterprise Linux 9. 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
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: Denial of Service in SSL Certificate validation (CVE-2023-46724) * squid: NULL pointer dereference in the gopher protocol code (CVE-2023-46728) * squid: Buffer over-read in the HTTP Message processing feature (CVE-2023-49285) * squid: Incorrect Check of Function Return Value In Helper Process management (CVE-2023-49286) 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.


To clipboard 

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  "vulnerabilities": [
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      "cwe": {
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        "name": "Use of Out-of-range Pointer Offset"
      },
      "discovery_date": "2023-11-02T00:00:00+00:00",
      "ids": [
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          "text": "2247567"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Squid. Due to an improper validation of the specified index bug, Squid compiled using `--with-openssl` is vulnerable to a denial of service attack against SSL Certificate validation. This flaw allows a remote server to perform a denial of service against the Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump.",
          "title": "Vulnerability description"
        },
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          "text": "squid: Denial of Service in SSL Certificate validation",
          "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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            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Incorrect Check of Function Return Value In Helper Process management",
          "title": "Vulnerability summary"
        },
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          "category": "other",
          "text": "The only security impact of this vulnerability is a remote denial of service. For this reason, this flaw was rated with an important, and not critical, severity.",
          "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"
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      "threats": [
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      ],
      "title": "squid: Incorrect Check of Function Return Value In Helper Process management"
    }
  ]
}


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