F5 Networks BIG-IP : F5 secure shell vulnerability (K03585731)

high Nessus Plugin ID 136130

Synopsis

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

Description

A user associated with the Resource Administrator role who has access to the secure copy (scp) utilitybut does not have access to Advanced Shell (bash)can execute arbitrary commands using a maliciously crafted scp request.(CVE-2020-5873)

Impact

An authenticated user with Resource Administrator role can run shell commands with elevated privilege.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K03585731.

See Also

https://my.f5.com/manage/s/article/K03585731

Plugin Details

Severity: High

ID: 136130

File Name: f5_bigip_SOL03585731.nasl

Version: 1.4

Type: local

Published: 4/30/2020

Updated: 11/2/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2020-5873

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/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_link_controller, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_application_acceleration_manager

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: 4/29/2020

Vulnerability Publication Date: 4/30/2020

Reference Information

CVE: CVE-2020-5873