CVE-2003-0172

PHP 4.3.1 - Buffer Overflow in openlog Function

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2003-0172. PoCs published by The Warlock [BhQ], cyberdesu.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in PHP v4.3.x via the openlog() function. It uses a crafted payload with shellcode to achieve remote code execution on Windows 2000 SP4 with Apache 2.0.49 and PHP 4.3.5.

Description

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.

Exploits (2)

exploitdb WORKING POC VERIFIED
by The Warlock [BhQ] · textremotewindows
https://www.exploit-db.com/exploits/729

This exploit targets a buffer overflow vulnerability in PHP v4.3.x via the openlog() function. It uses a crafted payload with shellcode to achieve remote code execution on Windows 2000 SP4 with Apache 2.0.49 and PHP 4.3.5.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: PHP v4.3.x (tested on 4.3.5) on Windows 2000 SP4 with Apache 2.0.49
No auth needed
Prerequisites: PHP v4.3.x with vulnerable openlog() function · Apache 2.0.49 on Windows 2000 SP4
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by cyberdesu · poc
https://github.com/cyberdesu/Remote-Buffer-overflow-CVE-2003-0172

This repository contains a functional Python exploit for CVE-2003-0172, a remote buffer overflow vulnerability in thttpd. The exploit sends a maliciously crafted HTTP GET request with an overly long path to trigger a denial-of-service (DoS) condition.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: thttpd (version not specified)
No auth needed
Prerequisites: Network access to the target thttpd server
mistral-large-3 · analyzed Feb 18, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/2113
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=104878149020152&w=2
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/7210
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=104931415307111&w=2
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/316583
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/385238
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/11637

Scores

EPSS 0.1900
EPSS Percentile 97.0%

Details

Status published
Products (1)
php/php 4.3.1
Published Apr 02, 2003
Tracked Since Feb 18, 2026