ProFTPD 1.2.0pre4 mkdir Command Directory Name Handling Remote Overflow

This script is Copyright (C) 1999-2016 Tenable Network Security, Inc.


Synopsis :

The remote FTP server is prone to a buffer overflow attack.

Description :

It was possible to crash the remote FTP server by creating a large
number of nested directories and then trying to upload a file. This
issue is known to affect ProFTPD, although other FTP servers may be
affected as well.

It is likely that a remote attacker can leverage this issue to execute
arbitrary code on the remote host, subject to the privileges under
which the service runs.

See also :

http://seclists.org/bugtraq/1999/Sep/143

Solution :

Configure the service so that directories are not writable by
'anonymous' or any untrusted users.

If running ProFTPD, upgrade to version 1.2.0pre6 or later; otherwise,
contact the vendor to see if an update exists.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : true

Family: FTP

Nessus Plugin ID: 10190 ()

Bugtraq ID: 612

CVE ID: CVE-1999-0911

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