QID 379320

Date Published: 2024-02-28

QID 379320: Squid Proxy Denial of Service (DoS) Vulnerability (SQUID-2023:11)

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages.
CVE-2024-23638 - Due to an expired pointer reference bug Squid is vulnerable to a Denial of Service attack against Cache Manager error responses.

Affected Versions:
Squid from 0.x to v5.9
Squid from 6.x to 6.5

QID Detection Logic:(Authenticated)
Linux - This QID checks for vulnerable version of Squid by utilizing the command: /usr/sbin/squid -v and /usr/local/squid/sbin/squid -v.

Successful exploitation of this vulnerability can result in Denial of Service

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Customers are advised to upgrade to a fixed version of later version of Squid to remediate this vulnerability.
    Refer, Advisory.

    Vendor References

    CVEs related to QID 379320

    CVE-2024-23638 |
    Software Advisories
    Advisory ID Software Component Link
    SQUID-2023:11 URL Logo github.com/squid-cache/squid/security/advisories/GHSA-j49p-553x-48rx
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