WU-FTPD fileutils/coreutils ls -w Argument Memory Consumption DoS

high Nessus Plugin ID 11912

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Synopsis

The remote FTP server is affected by a denial of service vulnerability.

Description

The version of WU-FTPD on the remote server uses a vulnerable version of /bin/ls. It does not filter arguments to /bin/ls, which could lead to a DoS. It is possible to consume all available memory on the machine by sending :

ls '-w 1000000 -C'

Solution

Contact your vendor for a fix.

Plugin Details

Severity: High

ID: 11912

File Name: wuftpd_ls_DoS.nasl

Version: 1.24

Type: remote

Family: FTP

Published: 10/29/2003

Updated: 2/26/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2003-0853

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 5/16/2003

Reference Information

CVE: CVE-2003-0853, CVE-2003-0854

BID: 8875

Secunia: 10059

Detections

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