ZDI-11-261: HP Easy Printer Care XMLSimpleAccessor Class ActiveX Control Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-261

August 16, 2011

-- CVE ID:
CVE-2011-2404

-- CVSS:
7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)

-- Affected Vendors:
Hewlett-Packard

-- Affected Products:
Hewlett-Packard Easy Printer Care

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11586. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- 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

URL (requires login)
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_
na-c02949847 

This URL will be available sometime in the future, if you need to use a
no login required link.
URL (no login required):
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c0294
9847

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

-- Credit:
This vulnerability was discovered by:
    * Andrea Micalizzi aka rgod

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:
    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:
    http://twitter.com/thezdi