Input validation error in Squid - CVE-2023-46848
Published: November 8, 2023
Vulnerability identifier: #VU82907
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-2023-46848
CWE-ID: CWE-20
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 insufficient validation of user-supplied input. A remote attacker can send ftp:// URLs in HTTP Request messages or construct ftp:// URLs from FTP Native input and crash the proxy server.
Affected software
Squid
Amazon Linux AMI
Debian Linux
Oracle 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 Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Server Applications Module
openSUSE Leap
Ubuntu
Anolis OS
squid (Ubuntu package)
squid (Debian package)
squid-debuginfo
squid
squid-debugsource
squid-doc
Amazon Linux AMI
Debian Linux
Oracle 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 Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Server Applications Module
openSUSE Leap
Ubuntu
Anolis OS
squid (Ubuntu package)
squid (Debian package)
squid-debuginfo
squid
squid-debugsource
squid-doc
How to mitigate CVE-2023-46848
Install updates from vendor's website.
Squid - update to 6.4
squid (Ubuntu package) - addressed in versions 4.10-1ubuntu1.8, 5.7-0ubuntu0.22.04.2, 5.7-1ubuntu3.1, 6.1-2ubuntu1.1
squid (Debian package) - addressed in versions 4.13-10+deb11u3, 5.7-2+deb12u1
squid-debuginfo - addressed in versions 4.17-4.30.1, 4.17-150000.5.38.1, 5.7-150400.3.12.1
squid - addressed in versions 4.17-4.30.1, 4.17-150000.5.38.1, 5.7-150400.3.12.1
squid-debugsource - addressed in versions 4.17-4.30.1, 4.17-150000.5.38.1, 5.7-150400.3.12.1
squid - update to 5.8-1
squid - update to 6.5-1
squid-doc - update to 6.5-1
squid (Ubuntu package) - addressed in versions 4.10-1ubuntu1.8, 5.7-0ubuntu0.22.04.2, 5.7-1ubuntu3.1, 6.1-2ubuntu1.1
squid (Debian package) - addressed in versions 4.13-10+deb11u3, 5.7-2+deb12u1
squid-debuginfo - addressed in versions 4.17-4.30.1, 4.17-150000.5.38.1, 5.7-150400.3.12.1
squid - addressed in versions 4.17-4.30.1, 4.17-150000.5.38.1, 5.7-150400.3.12.1
squid-debugsource - addressed in versions 4.17-4.30.1, 4.17-150000.5.38.1, 5.7-150400.3.12.1
squid - update to 5.8-1
squid - update to 6.5-1
squid-doc - update to 6.5-1