F5 Networks BIG-IP : TMUI RCE (CVE-2020-5902) (Direct Check)

critical Nessus Plugin ID 138140
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Synopsis

BIG-IP Traffic Management User Interface Remote Code Execution.

Description

A remote code execution vulnerability exists in Traffic Management User Interface (TMUI), also referred to as the Configuration utility. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary system commands, create or delete files, disable services, and/or execute arbitrary Java code.

Note: An initial mitigation for this vulnerability was released by the vendor, which can be bypassed.
This plugin also tests for the bypass of that initial mitigation.

Solution

Upgrade to a version recommended in the vendor advisory.

See Also

https://support.f5.com/csp/article/K52145254

Plugin Details

Severity: Critical

ID: 138140

File Name: f5_cve-2020-5902.nasl

Version: 1.9

Type: remote

Family: CGI abuses

Published: 7/6/2020

Updated: 12/4/2020

Dependencies: bigip_web_detect.nasl

Risk Information

CVSS Score Source: CVE-2020-5902

VPR

Risk Factor: Critical

Score: 9.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_analytics, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_fraud_protection_service, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager

Required KB Items: installed_sw/F5 BIG-IP web management

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Patch Publication Date: 7/1/2020

Vulnerability Publication Date: 7/1/2020

Exploitable With

Metasploit (F5 BIG-IP TMUI Directory Traversal and File Upload RCE)

Elliot (F5 BIG-IP Traffic Management User Interface File Disclosure)

Reference Information

CVE: CVE-2020-5902

IAVA: 2020-A-0283-S