GEN:SID 1:2338
Message FTP LIST buffer overflow attempt
Summary This event is generated when an attempt is made to exploit a known
vulnerability in GtkFtpd.
Impact Execution of arbitrary code. Possible unauthorized root access.
Detailed Information GtkFtpd fails to perform sufficient checks on user supplied data to the
daemon. An attacker may exploit this vulnerability to execute code of
their choosing as the root user. This may also lead to remote root
access to the server.
Affected Systems GtkFtpd 1.0.2, 1.0.3 and 1.0.4
Attack Scenarios An attacker may use a publicly available exploit script to take
advantage of the vulnerability.
Ease of Attack Simple. Exploit code exists.
Corrective Action Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.

Use scp/sftp as an alternative to ftp.
Additional References  
Rule References cve: 1999-0349
bugtraq: 9675
bugtraq: 8486
bugtraq: 7861
bugtraq: 7251
bugtraq: 6869
bugtraq: 10181
cve: 1999-1510
cve: 2000-0129
url: www.microsoft.com/technet/security/bulletin/MS99-003.mspx