TippingPoint Zero Day Initiative

HP Easy Printer Care XMLSimpleAccessor Class ActiveX Control Remote Code Execution Vulnerability

ZDI-12-014: January 12th, 2012


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 11978. For further product information on the TippingPoint IPS:

Vulnerability Details

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

The specific flaw exists within the XMLSimpleAccessor ActiveX control (CLSID: {466576F3-19B6-4FF1-BD48-3E0E1BFB96E9}). By passing an overlong string to the LoadXML() method it is possible to trigger a heap corruption vulnerability. A remote attacker could exploit this vulnerability to execute arbitrary code on the affected machine under the context of the user running the Internet Explorer process.

Vendor Response

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

Disclosure Timeline

    2011-04-04 - Vulnerability reported to vendor
    2012-01-12 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi aka rgod