Use-after-free in Squid - #VU50456
Published: February 9, 2021
Vulnerability identifier: #VU50456
CSH Severity: Medium
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the handling of the WCCP protocol. A remote attacker can pass specially crafted data to the proxy server and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Squid
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.