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F5 Networks BIG-IP : TMM vulnerability (K55101404)

medium Nessus Plugin ID 121441

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Synopsis

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

Description

Under certain conditions, the TMM may consume excessive resources when processing SSL Session ID Persistence traffic. (CVE-2019-6590)

Impact

BIG-IP

This vulnerability may result as a denial-of-service (DOS) attack on the affected BIG-IP systemwhen the systemconsumes excessive memory resources. This issue affects only BIG-IP systems provisioned with the LTM module.The affected BIG-IP system temporarily fails to process traffic as it recovers from a Traffic Management Microkernel (TMM) restart, and devices configured in a device group may fail over.

Enterprise Manager / BIG-IQ / iWorkflow / Traffix SDC

There is no impact for theseF5 products as theyare not affected by this vulnerability.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K55101404.

See Also

https://my.f5.com/manage/s/article/K55101404

Plugin Details

Severity: Medium

ID: 121441

File Name: f5_bigip_SOL55101404.nasl

Version: 1.5

Type: local

Published: 1/30/2019

Updated: 11/2/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-6590

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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_local_traffic_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: 1/29/2019

Vulnerability Publication Date: 2/5/2019

Reference Information

CVE: CVE-2019-6590