F5 Networks BIG-IP : BIG-IP Appliance mode vulnerability (K11330536)

medium Nessus Plugin ID 126396

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Synopsis

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

Description

When the BIG-IP system is licensed for Appliance mode, a user with either the Administrator or the Resource Administrator rolecan bypass Appliance mode restrictions.(CVE-2019-6635)

Impact

BIG-IP

This vulnerability allows local attackers with high-level privileges to overwrite arbitrary files. This behavior is possible only when the BIG-IP system runs in Appliance mode on any of the hardware platforms, and the user account is configured with Administrator or Resource Administrator role. Resource Administrator roles must have TMOS Shell ( tmsh ) access to perform the attack. Appliance mode is a licensed feature. This vulnerability does not affect the virtual platforms.

Enterprise Manager /BIG-IQ / F5 iWorkflow / Traffix SDC

There is no impact; F5 products are not affected by this vulnerability.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K11330536.

Plugin Details

Severity: Medium

ID: 126396

File Name: f5_bigip_SOL11330536.nasl

Version: 1.6

Type: local

Family: F5 Networks Local Security Checks

Published: 7/2/2019

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2019-6635

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/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:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2019

Vulnerability Publication Date: 7/3/2019

Reference Information

CVE: CVE-2019-6635

Detections

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