#VU70670 Improper Neutralization of Special Elements in Output Used by a Downstream Component in rxvt-unicode - CVE-2022-4170
Published: January 4, 2023
Vulnerability identifier: #VU70670
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-4170
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
rxvt-unicode
rxvt-unicode
Software vendor:
rxvt-unicode
rxvt-unicode
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in the Perl background extension. A remote attacker can pass specially crafted input to the application and execute arbitrary commands in the victim's terminal when certain configuration is used.
Remediation
Install updates from vendor's website.