SB2022070127 - Input validation error in PHP
Published: July 1, 2022 Updated: June 8, 2025
Security Bulletin ID
SB2022070127
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2004-0542)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
PHP before 4.3.7 on Win32 platforms does not properly filter all shell metacharacters, which allows local or remote attackers to execute arbitrary code, overwrite files, and access internal environment variables via (1) the "%", "|", or ">" characters to the escapeshellcmd function, or (2) the "%" character to the escapeshellarg function.
Remediation
Install update from vendor's website.