Description
Help Center (HelpCtr.exe) may allow remote attackers to read or execute arbitrary files via an "http://" or "file://" argument to the topic parameter in an hcp:// URL. NOTE: since the initial report of this problem, several researchers have been unable to reproduce this issue.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Microsoft Windows XP - HCP URI Handler Arbitrary Command Execution EDB-23675 · remote · Feb 9, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 9621 vdb-entry
- winxp-helpctr-hcp-xss(15101) vdb-entry
- 20040213 Re: HelpCtr - allow open any page or run mailing-list
- 20040207 HelpCtr - allow open any page or run mailing-list
- 20040210 Re: HelpCtr - allow open any page or run mailing-list
- 20040211 Re: HelpCtr - allow open any page or run mailing-list
- 20040210 Re: HelpCtr - allow open any page or run mailing-list