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Microsoft Windows Messenger Service Buffer Overrun Vulnerability

CORE has developed a working commercial exploit for their IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild.

A proof of concept exploit (MS03-04.W2kFR.c), has been released by MrNice and has been reported to be tested on French Localized Microsoft Windows 2000 SP0 systems. A denial of service proof-of-concept has been released. A Linux port (ms03-043.c) of the denial of service proof-of-concept has also been released. The Linux port has been updated so that it compiles on FreeBSD.

• /data/vulnerabilities/exploits/MS03-043_poc.c
• /data/vulnerabilities/exploits/ms03-043.c
• /data/vulnerabilities/exploits/msgr07.c
• /data/vulnerabilities/exploits/MS03-04.W2kFR.c