vBulletin 'widget_php' Command Execution

critical Nessus Plugin ID 130168

Synopsis

A bulletin board system running on the remote web server has a command execution vulnerability.

Description

The version of vBulletin running on the remote host is affected by an input-validation flaw in the 'widgetConfig' parameter to the script 'ajax/render/widget_php' that allows command execution.

Solution

Upgrade to vBulletin 5.5.4 P1 or later.

See Also

https://seclists.org/fulldisclosure/2019/Sep/31

Plugin Details

Severity: Critical

ID: 130168

File Name: vbulletin_widget_php_cmd_exec.nasl

Version: 1.10

Type: remote

Family: CGI abuses

Published: 10/23/2019

Updated: 6/4/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2019-16759

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: cpe:/a:vbulletin:vbulletin

Required KB Items: www/vBulletin

Excluded KB Items: Settings/disable_cgi_scanning

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/29/2019

Vulnerability Publication Date: 9/23/2019

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Exploitable With

CANVAS (CANVAS)

Metasploit (vBulletin widgetConfig RCE)

Reference Information

CVE: CVE-2019-16759