PT-2024-1422 · Squid+10 · Squid+11
Joshua Rogers
·
Published
2024-01-23
·
Updated
2026-03-29
·
CVE-2024-23638
CVSS v2.0
6.8
Medium
| Vector | AV:N/AC:L/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Squid versions prior to 6.6
Squid versions 5.0.5 and earlier are assumed to be vulnerable
Squid versions 5.x up to and including 5.9
Squid versions 6.x up to and including 6.5
Description
The issue is related to an expired pointer reference bug in Squid, a caching proxy for the Web. This problem allows a trusted client to perform a Denial of Service attack when generating error pages for Client Manager reports. The bug can be exploited by a remote attacker to cause a Denial of Service.
Recommendations
For Squid versions prior to 6.6, update to version 6.6 to resolve the issue.
For Squid versions 5.x up to and including 5.9, update to version 6.6 to resolve the issue.
For Squid versions 6.x up to and including 6.5, update to version 6.6 to resolve the issue.
As a temporary workaround, prevent access to Cache Manager using Squid's main access control:
http access deny manager.Exploit
Fix
DoS
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Linuxmint
Red Hat
Red Os
Rocky Linux
Squid
Squid Cache
Suse
Ubuntu