Advisory Details

October 26th, 2011

Adobe Reader U3D IFF RGBA Parsing Remote Code Execution Vulnerability

ZDI-11-298
ZDI-CAN-1201

CVE ID CVE-2011-2436
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 .IFF image. While it tries to copy the image data from the RGBA chunk insufficient boundary checks are performed on a row counter which could lead to a heap overflow. This could result in remote code execution with the rights of the current user.

VENDOR RESPONSE 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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