TippingPoint Zero Day Initiative

Novell iPrint Activex GetDriverSettings Remote Code Execution Vulnerability

ZDI-10-256: December 23rd, 2010


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10670. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell iPrint Client. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The flaw exists within the ienipp.ocx component. When handling the exposed method a GetDriverSettings call is made into nipplib!IppGetDriverSettings2 where the process will blindly copy user supplied data into a fixed-length buffer on the stack. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the browser.

Vendor Response

Novell states:

The fix for this security vulnerability is included in the released "iPrint Client for Windows XP/Vista/Win 7 5.56" patch, available at http://download.novell.com/Download?buildid=JV7fd0tFHHM~.

Disclosure Timeline

    2010-11-15 - Vulnerability reported to vendor
    2010-12-23 - Coordinated public release of advisory


This vulnerability was discovered by: