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WU-FTPD MAIL_ADMIN Function Remote Overflow

high Nessus Plugin ID 14371

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Synopsis

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

Description

Th remote Wu-FTPD server fails to properly check bounds on a pathname when Wu-Ftpd is compiled with MAIL_ADMIN enabled resulting in a buffer overflow. With a specially crafted request, an attacker can possibly execute arbitrary code as the user Wu-Ftpd runs as (usually root) resulting in a loss of integrity, and/or availability.

It should be noted that this vulnerability is not present within the default installation of Wu-Ftpd.

The server must be configured using the 'MAIL_ADMIN' option to notify an administrator when a file has been uploaded.

*** Nessus solely relied on the banner of the remote server
*** to issue this warning, so it may be a false positive.

Solution

Upgrade to Wu-FTPd 2.6.3 or later.

See Also

https://seclists.org/bugtraq/2003/Sep/336

Plugin Details

Severity: High

ID: 14371

File Name: wu_ftpd_mail_admin.nasl

Version: 1.22

Type: remote

Family: FTP

Published: 8/25/2004

Updated: 11/15/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

Required KB Items: ftp/login, ftp/wuftpd, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/22/2003

Reference Information

CVE: CVE-2003-1327

BID: 8668