SB2022070127 - Input validation error in PHP

Description

This security bulletin contains information about 1 vulnerability.

1) Input validation error (CVE-ID: CVE-2004-0542)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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

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.

References

• http://www.idefense.com/application/poi/display?id=108
• http://www.php.net/release_4_3_7.php
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16331