Expired pointer dereference in Squid - CVE-2024-23638

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Main Vulnerability Database Vulnerabilities #VU85722

Expired pointer dereference in Squid - CVE-2024-23638

Published: January 23, 2024 / Updated: February 2, 2024


Vulnerability identifier: #VU85722
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-23638
CWE-ID: CWE-825
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an expired pointer dereference in the Cache Manager when handling error responses. A remote attacker can perform a denial of service (DoS) attack.


Affected software

Squid
Amazon Linux AMI
Debian Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Manager Proxy
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
Server Applications Module
openSUSE Leap
openEuler
Ubuntu
Fedora
libecap-devel
libecap
squid-debuginfo
squid-debugsource
squid
squid (Ubuntu package)
squid (Debian package)
squid (Red Hat package)
squid-doc
Red Hat OpenShift Container Platform

How to mitigate CVE-2024-23638

Install updates from vendor's website.

Squid - update to 6.6
libecap-devel - update to 1.0.1-2.0.1
libecap - update to 1.0.1-2.0.1
squid-debuginfo - update to 4.9-19
squid-debugsource - update to 4.9-19
squid - update to 4.9-19
squid (Ubuntu package) - addressed in versions 4.10-1ubuntu1.10, 4.10-1ubuntu1.11, 4.10-1ubuntu1.12, 5.7-0ubuntu0.22.04.4, 6.1-2ubuntu1.3
squid (Debian package) - addressed in versions 4.13-10+deb11u3, 5.7-2+deb12u1
squid - addressed in versions 4.15-13, 6.6-1
Red Hat OpenShift Container Platform - update to 4.17.0
squid-debuginfo - addressed in versions 4.17-4.41.1, 4.17-150000.5.49.1, 5.7-150400.3.23.1
squid - addressed in versions 4.17-4.41.1, 4.17-150000.5.49.1, 5.7-150400.3.23.1
squid-debugsource - addressed in versions 4.17-4.41.1, 4.17-150000.5.49.1, 5.7-150400.3.23.1
squid (Red Hat package) - update to 5.5-13.el9_4
squid - update to 6.6-1
squid-doc - update to 6.6-1
squid - addressed in versions 6.9-1.fc38, 6.9-1.fc39

External References

Related Security Bulletins