Description
Directory traversal vulnerability in Nexgen FTP Server before 2.2.3.23 allows remote authenticated users to read or list arbitrary files via (1) "..", (2) "\..\" (backslash dot dot), or (3) "/../" sequences in (a) RETR (get), (b) NLST (ls), (c) LIST (ls), (d) RNFR, or (e) RNTO FTP commands.
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
- NexGen FTP Server 1.0/2.x - Directory Traversal EDB-23877 · remote · Mar 24, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 11216 third-party-advisory
- 4557 vdb-entry
- 9970 vdb-entry
- nexgen-dotdot-directory-traversal(15594) vdb-entry
- http://www.nexgenserver.com/cgi-bin/loadframe2.cgi?/History.html
- 1009545 vdb-entry