#VU79925 Input validation error in WinRAR - CVE-2023-38831

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU79925

#VU79925 Input validation error in WinRAR - CVE-2023-38831

Published: August 23, 2023 / Updated: October 25, 2024


Vulnerability identifier: #VU79925
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2023-38831
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
WinRAR
Software vendor:
RARLAB

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of file names inside .zip archives. A remote attacker can create a specially crafted archive that contains executable malicious files and spoof their file extension to look like .jpeg or .txt.

Note, the vulnerability is being actively exploited in the wild as of April 2023.


Remediation

Install updates from vendor's website.

External links