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://support.f5.com/csp/#/article/K81137982

Plugin Details

Severity: Medium

ID: 118613

File Name: f5_bigip_SOL81137982.nasl

Version: 1.1

Type: local

Published: 2018/11/02

Modified: 2018/11/02

Dependencies: 76940

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.3

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

CVSS v3.0

Base Score: 5.9

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

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_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:/h:f5:big-ip

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

Patch Publication Date: 2017/12/20

Reference Information

CVE: CVE-2017-6136