Description
The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 4
- Microsoft Messenger (Linux) - Denial of Service (MS03-043) EDB-385 · dos · Aug 8, 2004 · verified
- Microsoft Windows Messenger Service (French) - Remote (MS03-043) EDB-135 · remote · Dec 16, 2003 · verified
- Microsoft Windows XP/2000 - Messenger Service Buffer Overrun (MS03-043) EDB-23247 · remote · Oct 25, 2003 · verified
- Microsoft Windows Messenger Service - Denial of Service (MS03-043) EDB-111 · dos · Oct 18, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20031018 Proof of concept for Windows Messenger Service overflow mailing-list
- oval:org.mitre.oval:def:213 vdb-entry signature
- 20031016 MS03-043 Popup Messenger Servce buffer-overflow mailing-list
- CA-2003-27 third-party-advisory
- VU#575892 third-party-advisory
- 8826 vdb-entry
- oval:org.mitre.oval:def:268 vdb-entry signature
- MS03-043 vendor-advisory