Unchecked Return Value in Squid - CVE-2023-49286

 

Unchecked Return Value in Squid - CVE-2023-49286

Published: December 3, 2023 / Updated: December 12, 2023


Vulnerability identifier: #VU83628
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-49286
CWE-ID: CWE-252
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 incorrect check of function return value in Helper process management. A remote attacker can pass specially crafted data to the proxy server and perform a denial of service (DoS) attack.


Affected software

Squid
Amazon Linux AMI
Oracle Linux
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 ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Anolis OS
Red Hat Enterprise Linux Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Server Applications Module
openSUSE Leap
Ubuntu
openEuler
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
squid3 (Ubuntu package)
squid (Ubuntu package)
libecap-devel
libecap
squid
squid-sysvinit
squid-migration-script
squid (Red Hat package)
squid-debuginfo
squid-debugsource
squid (Debian package)
Session Smart Router
IBM Security Guardium

How to mitigate CVE-2023-49286

Install updates from vendor's website.

Squid - update to 6.5
squid3 (Ubuntu package) - update to Ubuntu Pro
squid (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 4.10-1ubuntu1.9, 5.7-0ubuntu0.22.04.3, 5.7-1ubuntu3.2, 6.1-2ubuntu1.2
libecap-devel - update to 1.0.1-2.0.1
libecap - update to 1.0.1-2.0.1
squid - addressed in versions 3.5.20-17, 4.15-11
squid-sysvinit - update to 3.5.20-17
squid-migration-script - update to 3.5.20-17
squid (Red Hat package) - addressed in versions 3.5.20-17.el7_9.10, 5.2-1.el9_0.4, 5.5-6.el9_3.5
squid-debuginfo - update to 4.9-17
squid-debugsource - update to 4.9-17
squid - update to 4.9-17
squid (Debian package) - addressed in versions 4.13-10+deb11u3, 5.7-2+deb12u1
squid-debugsource - addressed in versions 4.17-4.38.1, 4.17-150000.5.46.1, 5.7-150400.3.20.1
squid - addressed in versions 4.17-4.38.1, 4.17-150000.5.46.1, 5.7-150400.3.20.1
squid-debuginfo - addressed in versions 4.17-4.38.1, 4.17-150000.5.46.1, 5.7-150400.3.20.1
squid - update to 5.8-1
Session Smart Router - addressed in versions 6.2.10, 6.3.7
squid - addressed in versions 6.6-1.fc38, 6.6-1.fc39
IBM Security Guardium - addressed in versions 10.0 p545, 11.0 p491

External References

Related Security Bulletins