Description
Internet Explorer 5.x and 6.0 allows remote attackers to execute arbitrary programs via a modified directory traversal attack using a URL containing ".." (dot dot) sequences and a filename that ends in "::" which is treated as a .chm file even if it does not have a .chm extension. NOTE: this bug may overlap CVE-2004-0475.
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Microsoft Windows XP/2000 - showHelp '.CHM' File Execution (MS03-004) EDB-23504 · dos · Dec 30, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- TA04-196A third-party-advisory
- oval:org.mitre.oval:def:1186 vdb-entry signature
- 9320 vdb-entry
- MS04-023 vendor-advisory
- oval:org.mitre.oval:def:1943 vdb-entry signature
- VU#187196 third-party-advisory
- oval:org.mitre.oval:def:956 vdb-entry signature
- oval:org.mitre.oval:def:3514 vdb-entry signature
- ie-showhelp-directory-traversal(14105) vdb-entry
- 20031230 IE 5.x-6.0 allows executing arbitrary programs using showHelp() mailing-list