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    CVE-2010-1885

    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."

    Published:Jun 14, 2010
    Last Modified:Apr 11, 2025
    EPS:Jun 14, 2010
    EPSS Score:0.9147
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 2003 Server
    Vendor
    Microsoft
    Product
    Windows Server 2003
    Vendor
    Microsoft
    Product
    Windows Xp

    Exploits

    http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.htmlhttp://www.securityfocus.com/bid/40725http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.htmlhttp://www.securityfocus.com/bid/40725https://www.exploit-db.com/exploits/16545https://www.exploit-db.com/exploits/13808

    Related CVEs

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    References

    http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.html
    http://blogs.technet.com/b/msrc/archive/2010/06/10/windows-help-vulnerability-disclosure.aspx
    http://blogs.technet.com/b/srd/archive/2010/06/10/help-and-support-center-vulnerability-full-disclosure-posting.aspx
    http://secunia.com/advisories/40076
    http://www.exploit-db.com/exploits/13808
    http://www.kb.cert.org/vuls/id/578319
    http://www.microsoft.com/technet/security/advisory/2219475.mspx
    http://www.securityfocus.com/archive/1/511774/100/0/threaded
    http://www.securityfocus.com/archive/1/511783/100/0/threaded
    http://www.securityfocus.com/bid/40725
    http://www.securitytracker.com/id?1024084
    http://www.us-cert.gov/cas/techalerts/TA10-194A.html
    http://www.vupen.com/english/advisories/2010/1417
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-042
    https://exchange.xforce.ibmcloud.com/vulnerabilities/59267
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11733
    http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.html
    http://blogs.technet.com/b/msrc/archive/2010/06/10/windows-help-vulnerability-disclosure.aspx
    http://blogs.technet.com/b/srd/archive/2010/06/10/help-and-support-center-vulnerability-full-disclosure-posting.aspx
    http://secunia.com/advisories/40076
    http://www.exploit-db.com/exploits/13808
    http://www.kb.cert.org/vuls/id/578319
    http://www.microsoft.com/technet/security/advisory/2219475.mspx
    http://www.securityfocus.com/archive/1/511774/100/0/threaded
    http://www.securityfocus.com/archive/1/511783/100/0/threaded
    http://www.securityfocus.com/bid/40725
    http://www.securitytracker.com/id?1024084
    http://www.us-cert.gov/cas/techalerts/TA10-194A.html
    http://www.vupen.com/english/advisories/2010/1417
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-042
    https://exchange.xforce.ibmcloud.com/vulnerabilities/59267
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11733

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High