TippingPoint Zero Day Initiative

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

ZDI-11-261: August 16th, 2011


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 11586. 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 class ActiveX control (CLSID 466576F3-19B6-4FF1-BD48-3E0E1BFB96E9). The SaveXML() method is vulnerable to directory traversal, which allows an attacker to write arbitrary content to the filesystem. A remote attacker could leverage this vulnerability to gain code execution under the context of the web browser.

Vendor Response

Hewlett-Packard states:

Title: c02949847 8/8/2011 Printing and Imaging HPSBPI02698 SSRT100404 rev.1
- HP Easy Printer Care Software Running on Windows, Remote Execution of Arbitrary Code

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Disclosure Timeline

    2011-02-17 - Vulnerability reported to vendor
    2011-08-16 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi aka rgod