Description
Xlight 1.52, with log to screen enabled, allows remote attackers to cause a denial of service by requesting a long directory consisting of . (dot) and / (slash) characters, which causes the server to crash when the administrator views the log file, possibly triggering a buffer overflow.
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
- Xlight FTP Server 1.x - Long Directory Request Remote Denial of Service EDB-23654 · dos · Feb 5, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 9585 vdb-entry
- xlight-long-string-dos(15064) vdb-entry
- 20040205 Remote crash Xlight ftp server 1.52 mailing-list