Description
Multiple buffer overflows in H-Sphere WebShell 2.3 allow remote attackers to execute arbitrary code via (1) a long URL content type in CGI::readFile, (2) a long path in diskusage, and (3) a long fname in flist.
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 2
- H-Sphere WebShell 2.4 - Local Privilege Escalation EDB-22128 · local · Jan 6, 2003 · verified
- H-Sphere WebShell 2.4 - Remote Command Execution EDB-22129 · remote · Jan 6, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1005893 vdb-entry
- 6537 vdb-entry
- 7832 third-party-advisory
- http://psoft.net/misc/webshell_patch.html
- 6540 vdb-entry
- hsphere-webshell-readfile-bo(10999) vdb-entry
- 20030106 Remote root vuln in HSphere WebShell mailing-list
- 6527 vdb-entry
- hsphere-webshell-flist-bo(11003) vdb-entry
- hsphere-webshell-diskusage-bo(11002) vdb-entry
- 6538 vdb-entry