Microsoft Windows Graphics Rendering Engine PICT Heap Corruption VulnerabilityZDI-08-049: August 12th, 2008
File Format Vulnerability
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4665. For further product information on the TippingPoint IPS:
This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Microsoft Office. User interaction is required to exploit this vulnerability in that the target must open a malicious file.
The specific flaw exists in the handling of PICT images in an office document. Due to improper parsing of the bits_per_pixel field in a PICT image a heap overflow can occur. Successful exploitation of this vulnerability can lead to a system compromise running under the credentials of the currently logged in user.
Vendor ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2006-09-14 - Vulnerability reported to vendor
2008-08-12 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Damian Put <email@example.com>