AT-TFTP Server Filename Handling Remote Overflow

This script is Copyright (C) 2006-2011 Tenable Network Security, Inc.


Synopsis :

The remote tftp server is affected by a buffer overflow vulnerability.

Description :

The remote host appears to be running AT-TFTP Server, a tftpd server
for Windows.

The version of AT-TFTP Server installed on the remote host appears to
be affected by a buffer overflow vulnerability involving a long
filenames when getting or putting files. By leveraging this flaw, a
remote attacker may be able to crash the remote service or to execute
code on the affected host subject to the privileges under which the
server operates.

See also :

http://aluigi.altervista.org/adv/attftp-adv.txt
http://www.securityfocus.com/archive/1/452743/30/0/threaded

Solution :

Unknown at this time.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 9.5
(CVSS2#E:F/RL:U/RC:ND)
Public Exploit Available : true

Family: Gain a shell remotely

Nessus Plugin ID: 23736 (at_tftpd_long_filename_overflow.nasl)

Bugtraq ID: 21320

CVE ID: CVE-2006-6184