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

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.