F5 Networks BIG-IP : TMM vulnerability (K81137982)

medium Nessus Plugin ID 118613

Synopsis

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

Description

Undisclosed traffic patterns sent to BIG-IP virtual servers, with the TCP Fast Open and Tail Loss Probe options enabled in the associated TCP profile, may cause a disruption of service to the Traffic Management Microkernel (TMM). (CVE-2017-6136)

Impact

An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group.

Note : The Fast Open and the Tail Loss Probe TCP profile options are both disabled in the default configuration, and both options must be enabled to expose this vulnerability.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K81137982.

See Also

https://my.f5.com/manage/s/article/K81137982

Plugin Details

Severity: Medium

ID: 118613

File Name: f5_bigip_SOL81137982.nasl

Version: 1.6

Type: local

Published: 11/2/2018

Updated: 7/26/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2017-6136

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_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, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/20/2017

Vulnerability Publication Date: 12/21/2017

Reference Information

CVE: CVE-2017-6136