Advisory Details

November 4th, 2008

Adobe Acrobat PDF Javascript getCosObj Memory Corruption Vulnerability

ZDI-08-074
ZDI-CAN-329

CVE ID CVE-2008-4813
CVSS SCORE
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Acrobat
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5941. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute code on vulnerable installations of Adobe Acrobat. User interaction is required in that a user must visit a malicious web site.

The specific flaw exists when processing malicious javascript contained in a PDF document. When creating a Collab object and performing a specific sequence of actions on it, memory corruption occurs potentially resulting in remote code execution. If successfully exploited full control of the affected machine running under the credentials of the currently logged in user can be achieved.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
http://www.adobe.com/support/security/bulletins/apsb08-19.html
DISCLOSURE TIMELINE
  • 2008-05-12 - Vulnerability reported to vendor
  • 2008-11-04 - Coordinated public release of advisory
CREDIT Peter Vreugdenhil
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