漏洞描述
The MPC::HexToNum function in helpctr.exe in Microsoft Windows Help and Support Center in Windows XP and Windows Server 2003 does not properly handle malformed escape sequences, which allows remote attackers to bypass the trusted documents whitelist (fromHCP option) and execute arbitrary commands via a crafted hcp:// URL, aka "Help Center URL Validation Vulnerability."
影响产品
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
secunia.comhttp://secunia.com/advisories/40076↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/511783/100/0/threaded↗www.microsoft.comhttp://www.microsoft.com/technet/security/advisory/2219475.mspx↗exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/59267↗www.vupen.comhttp://www.vupen.com/english/advisories/2010/1417↗oval.cisecurity.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11733↗www.us-cert.govhttp://www.us-cert.gov/cas/techalerts/TA10-194A.html↗docs.microsoft.comhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-042↗blogs.technet.comhttp://blogs.technet.com/b/msrc/archive/2010/06/10/windows-help-vulnerability-disclosure.aspx↗www.securityfocus.comhttp://www.securityfocus.com/bid/40725↗archives.neohapsis.comhttp://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.html↗www.securitytracker.comhttp://www.securitytracker.com/id?1024084↗www.kb.cert.orghttp://www.kb.cert.org/vuls/id/578319↗www.securityfocus.comhttp://www.securityfocus.com/archive/1/511774/100/0/threaded↗blogs.technet.comhttp://blogs.technet.com/b/srd/archive/2010/06/10/help-and-support-center-vulnerability-full-disclosure-posting.aspx↗