QuickTime 7.3.1 Update Available Now

QuickTime 7.3.1 Update is available now. This release is recommended for all QuickTime 7 users to addresses security issues.

Available for: Mac OS X v10.3.9, Mac OS X v10.4.9 or later, Mac OS X v10.5 or later, Windows Vista, XP SP2

Impact: Viewing a maliciously crafted RTSP movie may lead to an unexpected application termination or arbitrary code execution
Description: A buffer overflow exists in QuickTime's handling of Real Time Streaming Protocol (RTSP) headers. By enticing a user to view a maliciously crafted RTSP movie, an attacker may cause an unexpected application termination or arbitrary code execution. This update addresses the issue by ensuring that the destination buffer is sized to contain the data.

Impact: Viewing a maliciously crafted QTL file may lead to an unexpected application termination or arbitrary code execution
Description: A heap buffer overflow exists in QuickTime's handling of QTL files. By enticing a user to view a maliciously crafted QTL file, an attacker may cause an unexpected application termination or arbitrary code execution. This update addresses the issue through improved bounds checking.

Impact: Multiple vulnerabilities in QuickTime's Flash media handler
Description: Multiple vulnerabilities exist in QuickTime's Flash media handler, the most serious of which may lead to arbitrary code execution. With this update, the Flash media handler in QuickTime is disabled except for a limited number of existing QuickTime movies that are known to be safe. Credit to Tom Ferris of Adobe Secure Software Engineering Team (ASSET), Mike Price of McAfee Avert Labs, and security researchers Lionel d'Hauenens & Brian Mariani of Syseclabs for reporting this issue.