Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a crafted JPC_MS_RGN marker in the Jp2c stream of a JpxDecode encoded data stream, which triggers an integer sign extension that bypasses a sanity check, leading to memory corruption.
a memory corruption vulnerability that could lead to code execution (CVE-2009-3955).
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Affected software versions
Adobe Reader 9.2 and earlier versions for Windows, Macintosh, and UNIX
Adobe Acrobat 9.2 and earlier versions for Windows and Macintosh
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20100113 Adobe Reader and Acrobat JpxDecode Memory Corruption Vulnerability
Advisory; Patch Information
US-CERT Vulnerability Note:
References to Check Content