#VU71700 Improper Neutralization of Argument Delimiters in a Command in vcs - CVE-2022-21235
Published: January 31, 2023
Vulnerability identifier: #VU71700
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-21235
CWE-ID: CWE-88
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
vcs
vcs
Software vendor:
Masterminds
Masterminds
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to argument strings being passed to hg in a way that additional flags can be set when hg is executed. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.