Double Free in Squid - #VU50972

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Main Vulnerability Database Vulnerabilities #VU50972

Double Free in Squid - #VU50972

Published: February 28, 2021


Vulnerability identifier: #VU50972
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Squid
Software vendor:
Squid-cache.org

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when processing "acl" directove. A local user with ability to supply a custom ACL rule for the first and second addresses can trigger a double free error and crash the service or execute arbitrary code with elevated privileges.



Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links