Vulmon
Amazon Linux 2 Security Advisory: ALAS-2024-2433
Advisory Release Date: 2024-02-01 19:57 Pacific
Advisory Updated Date: 2024-02-01 19:57 Pacific
Squid is a caching proxy for the Web. Due to an expired pointer reference bug, Squid prior to version 6.6 is vulnerable to a Denial of Service attack against Cache Manager error responses. This problem allows a trusted client to perform Denial of Service when generating error pages for Client Manager reports. Squid older than 5.0.5 have not been tested and should be assumed to be vulnerable. All Squid-5.x up to and including 5.9 are vulnerable. All Squid-6.x up to and including 6.5 are vulnerable. This bug is fixed by Squid version 6.6. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. As a workaround, prevent access to Cache Manager using Squid's main access control: `http_access deny manager`. (CVE-2024-23638)
Affected Packages:
squid
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update squid to update your system.
aarch64:
squid-3.5.20-17.amzn2.7.17.aarch64
squid-sysvinit-3.5.20-17.amzn2.7.17.aarch64
squid-migration-script-3.5.20-17.amzn2.7.17.aarch64
squid-debuginfo-3.5.20-17.amzn2.7.17.aarch64
i686:
squid-3.5.20-17.amzn2.7.17.i686
squid-sysvinit-3.5.20-17.amzn2.7.17.i686
squid-migration-script-3.5.20-17.amzn2.7.17.i686
squid-debuginfo-3.5.20-17.amzn2.7.17.i686
src:
squid-3.5.20-17.amzn2.7.17.src
x86_64:
squid-3.5.20-17.amzn2.7.17.x86_64
squid-sysvinit-3.5.20-17.amzn2.7.17.x86_64
squid-migration-script-3.5.20-17.amzn2.7.17.x86_64
squid-debuginfo-3.5.20-17.amzn2.7.17.x86_64