CVE-2010-1885

Public Exploit

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."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 92.39% Top 5%
Vendor Advisory microsoft.com Vendor Advisory technet.com Vendor Advisory secunia.com Vendor Advisory microsoft.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2010-1885?
CVE-2010-1885 has been scored as a critical severity vulnerability.
How to fix CVE-2010-1885?
To fix CVE-2010-1885, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-1885 being actively exploited in the wild?
It is possible that CVE-2010-1885 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~92% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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