Advisory Details

October 26th, 2011

Adobe Reader BMP Image RLE Decoding Remote Code Execution Vulnerability

ZDI-11-296
ZDI-CAN-1212

CVE ID CVE-2011-2438
CVSS SCORE 7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Reader
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the Adobe Image parsing library. When Adobe Reader tries to parse an malformed .BMP image containing Run Length Encoded data it fails to perform sufficient boundary checks on the data. The effect can be a heap buffer overflow resulting in remote code execution under the context of the current user.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
http://www.adobe.com/support/security/bulletins/apsb11-24.html
DISCLOSURE TIMELINE
  • 2011-05-12 - Vulnerability reported to vendor
  • 2011-10-26 - Coordinated public release of advisory
CREDIT binaryproof
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