Description
An issue was discovered in FTPShell Client 6.7. A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine. This is similar to CVE-2009-3364 and CVE-2017-6465.
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.
Metasploit 1 module
-
FTPShell client 6.70 (Enterprise edition) Stack Buffer Overflow
exploit/windows/ftp/ftpshell_cli_bof
Exploit-DB 2
- FTPShell Client 6.70 (Enterprise Edition) - Stack Buffer Overflow (Metasploit) EDB-44968 · remote · Jul 2, 2018 · verified
- FTPShell Client 6.7 - Buffer Overflow EDB-44596 · remote · May 8, 2018 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 44968 exploit
- https://cxsecurity.com/issue/WLB-2018030011
- 44596 exploit