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F5 Networks BIG-IP : BIG-IP TMM AWS vulnerability (K00025388)

high Nessus Plugin ID 133510

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Synopsis

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

Description

While processing specifically crafted traffic using the default 'xnet' driver, BIG-IP Virtual Edition (VE) instances hosted in Amazon Web Services (AWS) may experience a Traffic Management Microkernel (TMM) restart. (CVE-2020-5856)

Impact

A remote attacker may be able to perform a denial-of-service (DoS) attack on an AWS-hosted BIG-IP Virtual Edition (VE) system by causing the TMMprocess to restart.

BIG-IP VEs hosted in any other virtual environment, and hardware appliances, are not affected by this issue.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K00025388.

See Also

https://my.f5.com/manage/s/article/K00025388

Plugin Details

Severity: High

ID: 133510

File Name: f5_bigip_SOL00025388.nasl

Version: 1.6

Type: local

Published: 2/6/2020

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-5856

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: 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_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_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager, 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: 2/5/2020

Vulnerability Publication Date: 2/6/2020

Reference Information

CVE: CVE-2020-5856