SB2025040328 - Mark-of-the-Web bypass in WinRAR
Published: April 3, 2025
Security Bulletin ID
SB2025040328
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Product UI does not warn user of unsafe actions (CVE-ID: CVE-2025-31334)
CWE-ID: CWE-356 - Product UI does not Warn User of Unsafe Actions
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to software does not display a warning for files when opening a symbolic link that points to an executable file. A remote attacker can bypass "Mark of the Web" feature and trick the victim into executing malicious files.
Remediation
Install update from vendor's website.