TippingPoint Zero Day Initiative
 

Apple CUPS HP-GL/2 Filter Remote Code Execution Vulnerability

ZDI-08-067: October 9th, 2008

CVE ID

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6325. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple CUPS. Authentication is not required to exploit this vulnerability.

The specific flaw exists in the Hewlett-Packard Graphics Language filter. Inadequate bounds checking on the pen width and pen color opcodes result in an arbitrary memory overwrite allowing for the execution of arbitrary code as the "hgltops" process uid.

Vendor Response

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

Disclosure Timeline

    2008-08-19 - Vulnerability reported to vendor
    2008-10-09 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    regenrecht