Main Vulnerability Database Vulnerabilities #VU110531

Input validation error in PHP - CVE-2003-0172

Published: July 11, 2017 / Updated: June 10, 2025

Vulnerability identifier: #VU110531

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2003-0172

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Buffer overflow in openlog function for PHP 4.3.1 on Windows operating system, and possibly other OSes, allows remote attackers to cause a crash and possibly execute arbitrary code via a long filename argument.

Affected software

PHP

How to mitigate CVE-2003-0172

Install update from vendor's website.

PHP - update to 4.3.2

Links to Public Exploits and PoC-codes

Exploit #11530 - PHP 4.3.7 - openlog() Buffer Overflow (June 10, 2025)

External References

Related Security Bulletins

Multiple vulnerabilities in PHP