#VU84442 Uncontrolled Recursion in Squid - CVE-2023-50269

 

#VU84442 Uncontrolled Recursion in Squid - CVE-2023-50269

Published: December 15, 2023


Vulnerability identifier: #VU84442
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2023-50269
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Squid
Software vendor:
Squid-cache.org

Description

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

The vulnerability exists due to uncontrolled recursion when parsing HTTP requests. A remote client can send a specially crafted HTTP request with the a large X-Forwarded-For header, when the follow_x_forwarded_for feature is configured, and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links