TippingPoint Zero Day Initiative

Sun Java Runtime AWT setDifflCM Stack Overflow Vulnerability

ZDI-09-078: November 4th, 2009


Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 8404. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Sun Java Runtime Environment. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists in the processing of arguments to the setDiffICM AWT library function. Due to the lack of bounds checking on one of the parameters to the function a stack overflow can occur. Successful exploitation of this vulnerability can lead to remote system compromise under the credentials of the currently logged in user.

Vendor Response

Sun Microsystems has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2009-08-14 - Vulnerability reported to vendor
    2009-11-04 - Coordinated public release of advisory


This vulnerability was discovered by:
    Peter Vreugdenhil ( http://vreugdenhilresearch.nl )