LMH has discovered a vulnerability in Apple Quicktime, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when handling RTSP URLs. This can be exploited to cause a stack-based buffer overflow via a specially crafted QTL file with an overly long (more than 256 bytes) "src" parameter (e.g. "rtsp://[any character]:[>256 bytes]").
Successful exploitation allows execution of arbitrary code and requires that the user is e.g. tricked into opening a malicious QTL file or visiting a malicious web site.
The vulnerability is confirmed in version 126.96.36.199 (Windows version) and reportedly affects both Microsoft Windows and Mac OS X versions.
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Subject: Apple Quicktime RTSP URL Handling Buffer Overflow Vulnerability
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