F5 Networks BIG-IP : XSS vulnerability (K19166530)

medium Nessus Plugin ID 144363

Synopsis

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

Description

A cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility.(CVE-2020-27719)

Impact

An attacker can exploit this vulnerability to run JavaScript in the context of the currently logged-in user. When successfully exploiting this vulnerability in the context of an administrative user with access to the Advanced Shell ( bash ), an attacker can completely compromise the BIG-IP system through remote code execution.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K19166530.

See Also

https://my.f5.com/manage/s/article/K19166530

Plugin Details

Severity: Medium

ID: 144363

File Name: f5_bigip_SOL19166530.nasl

Version: 1.10

Type: local

Published: 12/17/2020

Updated: 11/3/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2020-27719

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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: 12/16/2020

Vulnerability Publication Date: 12/24/2020

Reference Information

CVE: CVE-2020-27719

IAVA: 2021-A-0004-S