__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN HP Online Support Services ActiveX StartApp() Vulnerability [US-CERT Vulnerability Note VU#998779] June 12, 2008 15:00 GMT Number S-316 ______________________________________________________________________________ PROBLEM: The HP Online Support Services ActiveX control contains a method called StartApp(). This may allow a remote, unauthenticated attacker to execute local files on a vulnerable system in the context of the local user. PLATFORM: HP Online Support DAMAGE: Execute local files. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is LOW. A remote, unathenticated attacker could ASSESSMENT: exploit this vulnerability to execute arbitrary code on a vulnerable system in the context of the local user. ______________________________________________________________________________ CVSS 2 BASE SCORE: 5.1 TEMPORAL SCORE: 4.0 VECTOR: (AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C) ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-316.shtml ORIGINAL BULLETIN: http://www.kb.cert.org/vuls/id/998779 ADDITIONAL LINKS: http://www.kb.cert.org/vuls/id/857539 http://www.kb.cert.org/vuls/id/949587 http://www.kb.cert.org/vuls/id/190939 http://www.kb.cert.org/vuls/id/221123 http://www.kb.cert.org/vuls/id/526131 http://www.kb.cert.org/vuls/id/558163 http://www.kb.cert.org/vuls/id/754403 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-5604 CVE-2007-5605 CVE-2007-5606 CVE-2007-5607 CVE-2007-5608 CVE-2007-5610 CVE-2008-0952 CVE-2008-0953 ______________________________________________________________________________ [***** Start US-CERT Vulnerability Note VU#998779 *****] Vulnerability Note VU#998779 HP Online Support Services ActiveX StartApp() arbitrary code execution Overview The HP Online Support Services ActiveX control contains a method called StartApp(). This may allow a remote, unauthenticated attacker to execute local files on a vulnerable system in the context of the local user. I. Description HP Services provides online product support services including HP Instant Support. The HPISDataManager.dll ActiveX control contains the insecure function StartApp(), which can be exploited by a malicious attacker to execute arbitrary code on a vulnerable system. Note that the HP Support Services ActiveX control is locked to certain domains, such as hp.com. This means that an attacker would have to subvert the host name lookup methodology on a victim's system or exploit a cross-site scripting vulnerability in one of the allowed domains to exploit this vulnerability. II. Impact A remote, unauthenticated attacker could exploit this vulnerability to execute arbitrary code on a vulnerable system in the context of the local user. III. Solution HP suggests to install HP Instant Support - v1.0.0.24 or later. For installation instructions, please visit the HP Support Document. However, limited testing has shown that this update does not change the behavior with respect to unsafe methods. From the HP Support Document: The vulnerabilities can also be resolved by the following procedure: Set the kill bit for the vulnerable ActiveX control's Class identifier (CLSID) {14C1B87C-3342-445F-9B5E-365FF330A3AC} . The kill bit is set by modifying the data value of the Compatibility Flags DWORD value for the CLSID of this ActiveX control to 0x00000400. This is explained in Microsoft's article KB240797 or subsequent. http://support.microsoft.com/kb/240797 Systems Affected Vendor Status Date Updated Hewlett-Packard Company Unknown 11-Apr-2008 Hewlett-Packard Company Vulnerable 6-Jun-2008 References http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01422264 http://www.csis.dk/dk/forside/CSIS-RI-0003.pdf Credit Hewlett-Packard credits Dennis Rand of CSIS Security Research and Intelligence for discovering this vulnerability. This document was written by Joseph Pruszynski and Will Dormann Other Information Date Public 06/04/2008 Date First Published 06/06/2008 02:22:26 PM Date Last Updated 06/07/2008 CERT Advisory CVE Name CVE-2007-5604; CVE-2007-5605; CVE-2007-5606; CVE-2007-5607; CVE-2007-5608; CVE-2007-5610; CVE-2008-0952; CVE-2008-0953 US-CERT Technical Alerts Metric 7.61 Document Revision 26 If you have feedback, comments, or additional information about this vulnerability, please send us email. [***** End US-CERT Vulnerability Note VU#998779 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of US-CERT for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. 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