National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2010-1885 Detail

Description

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."

Source:  MITRE
Description Last Modified:  06/15/2010

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Evaluator Impact

Per: http://blogs.technet.com/b/msrc/archive/2010/06/10/windows-help-vulnerability-disclosure.aspx "customers running Windows Vista, Windows 7, Windows Server 2008, and Windows Server 2008 R2, are not vulnerable to this issue, or at risk of attack."

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0197.html Exploit
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 Vendor Advisory
http://www.exploit-db.com/exploits/13808
http://www.kb.cert.org/vuls/id/578319 US Government Resource
http://www.microsoft.com/technet/security/advisory/2219475.mspx Vendor Advisory
http://www.microsoft.com/technet/security/Bulletin/MS10-042.mspx
http://www.securityfocus.com/archive/1/archive/1/511774/100/0/threaded Exploit
http://www.securityfocus.com/archive/1/archive/1/511783/100/0/threaded
http://www.securityfocus.com/bid/40725 Exploit
http://www.securitytracker.com/id?1024084
http://www.us-cert.gov/cas/techalerts/TA10-194A.html US Government Resource
http://www.vupen.com/english/advisories/2010/1417 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/59267
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11733

References to Check Content

Identifier:
oval:org.mitre.oval:def:11733
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11733

Technical Details

Vulnerability Type (View All)

  • OS Command Injections (CWE-78)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-1885
NVD Published Date:
06/15/2010
NVD Last Modified:
09/18/2017