Advisory Details

January 12th, 2012

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

CVE ID	CVE-2011-4787
CVSS SCORE	9.0, AV:N/AC:L/Au:N/C:P/I:P/A:C
AFFECTED VENDORS	Hewlett-Packard
AFFECTED PRODUCTS	Easy Printer Care
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['11978']. For further product information on the TippingPoint IPS: 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.
ADDITIONAL DETAILS	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	Andrea Micalizzi aka rgod

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