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F5 Networks BIG-IP : F5 TMUI XSS vulnerability (K42696541)

critical Nessus Plugin ID 144093

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

Undisclosed endpoints in iControl REST allow for a reflected XSS attack, which could lead to a complete compromise of the BIG-IP system if the victim user is granted the admin role. (CVE-2020-5948)

Impact

An attacker may exploit this vulnerability usinga crafted URL to a reflected cross-site scripting (XSS) in an undisclosed page of the Configuration utility.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K42696541.

See Also

https://my.f5.com/manage/s/article/K42696541

Plugin Details

Severity: Critical

ID: 144093

File Name: f5_bigip_SOL42696541.nasl

Version: 1.8

Type: local

Published: 12/11/2020

Updated: 11/2/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2020-5948

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.3

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

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_domain_name_system, 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, cpe:/h:f5:big-ip

Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/10/2020

Vulnerability Publication Date: 12/11/2020

Reference Information

CVE: CVE-2020-5948

IAVA: 2020-A-0579-S