Out-of-bounds read in Squid - CVE-2023-49285

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Main Vulnerability Database Vulnerabilities #VU83629

Out-of-bounds read in Squid - CVE-2023-49285

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


Vulnerability identifier: #VU83629
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-2023-49285
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary condition when handling HTTP messages. A remote attacker can send specially crafted data to the server, trigger an out-of-bounds read error and crash the proxy server.


Affected software

Squid
Amazon Linux AMI
Oracle Linux
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 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 Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Anolis OS
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
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 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
Red Hat Enterprise Linux for x86_64 - Extended Update Support
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 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-migration-script
squid
squid-sysvinit
squid (Red Hat package)
squid-debuginfo
squid-debugsource
squid (Debian package)
Session Smart Router
IBM Security Guardium

How to mitigate CVE-2023-49285

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-migration-script - update to 3.5.20-17
squid - addressed in versions 3.5.20-17, 4.15-11
squid-sysvinit - 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 - addressed in versions 3.5.20-17.53, 5.8-1, 6.6-1
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-debuginfo - 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
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