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F5 Networks BIG-IP : BIG-IP MRF Diameter vulnerability (K55812535)

medium Nessus Plugin ID 132571

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Synopsis

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

Description

TheTraffic Management Microkernel (TMM) might stop responding after the total number of diameter connections and pending messages on a single virtual server has reached 32K. (CVE-2019-6686)

Impact

BIG-IP

This vulnerability affects only virtual servers associated with the message routing diameter profile. When the vulnerability is exploited, the Traffic Management Microkernel (TMM) creates a core file and restarts. As a result, the BIG-IP system fails to process traffic and fails over to its high availability (HA) peer, if configured.

BIG-IQ / Enterprise Manager / Traffix SDC

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

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K55812535.

See Also

https://my.f5.com/manage/s/article/K55812535

Plugin Details

Severity: Medium

ID: 132571

File Name: f5_bigip_SOL55812535.nasl

Version: 1.4

Type: local

Published: 12/31/2019

Updated: 11/2/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

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-2019-6686

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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: 12/20/2019

Vulnerability Publication Date: 12/23/2019

Reference Information

CVE: CVE-2019-6686