Help and Support Center in Microsoft Windows XP SP1 does not properly validate HCP URLs, which allows remote attackers to execute arbitrary code via quotation marks in an hcp:// URL, which are not quoted when constructing the argument list to HelpCtr.exe.

References

• https://nvd.nist.gov/vuln/detail/CVE-2003-0907
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-011
• https://exchange.xforce.ibmcloud.com/vulnerabilities/15704
• http://lists.grok.org.uk/pipermail/full-disclosure/2004-April/020065.html
• http://marc.info/?l=bugtraq&m=108196864221676&w=2
• http://www.ciac.org/ciac/bulletins/o-114.shtml
• http://www.idefense.com/application/poi/display?id=100&type=vulnerabilities
• http://www.kb.cert.org/vuls/id/260588
• http://www.securityfocus.com/bid/10119
• http://www.us-cert.gov/cas/techalerts/TA04-104A.html
• https://oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:1000
• https://oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:904