Message-ID: <4F0F2E3F.9080303@hp.com>
Date: Thu, 12 Jan 2012 13:02:23 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: ZDI-12-014 : HP Easy Printer Care XMLSimpleAccessor Class ActiveX
 Control Remote Code Execution Vulnerability

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

ZDI-12-014 : HP Easy Printer Care XMLSimpleAccessor Class ActiveX
Control Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-014
January 12, 2012

- -- CVE ID:
CVE-2011-4787

- -- CVSS:
9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- -- 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 11978.
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 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:

http://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c02949847




- -- Disclosure Timeline:
2011-04-04 - Vulnerability reported to vendor

2012-01-12 - 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
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (MingW32)

iQEcBAEBAgAGBQJPDy4+AAoJEFVtgMGTo1sc/noIAJhf+90NWH+YHugri640kUkZ
412jOZ+RenEWk4pNuNrmTFEYOM60DvdT2xMjwT6MigdFNm9TprT2QNDODezGDqag
h8sTi9njDRWheJyu0qf05RbhVqCj8hOY7g++5+bmoWV/LQomeDU9DQGY2kMgpnBc
cCWFNneigpRj+UTeMIZzeh7Ca5yY1G/dmSUxNszsadvyw7v+tPc8T+kXK9ZULHrN
Z1FDIr08dcXJhPHUiSdTuSNNWas6rm2R7bRkesp+S5T/eEHEa8iMllh+W0NjAO4M
khExfZCCUS/4AbplTCaXJaAR/e6I7VPOEbVHiO5+hLKXPUxAdKMhCCyFP5pYio4=
=yTLG
-----END PGP SIGNATURE-----

Powered by blists - more mailing lists