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    CVE-2023-49286

    Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

    Published:Dec 4, 2023
    Last Modified:Feb 13, 2025
    EPS:Dec 4, 2023
    EPSS Score:0.02242
    CVSS Score:8.6

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Squid-cache
    Product
    Squid

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch
    https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264
    https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27
    https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
    https://security.netapp.com/advisory/ntap-20240119-0004/
    http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch
    https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264
    https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27
    https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
    https://security.netapp.com/advisory/ntap-20240119-0004/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High