F5 Networks BIG-IP : BIG-IP APM VPN vulnerability (K20087443)

High Nessus Plugin ID 118601

Synopsis

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

Description

In some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a 'flow not in use' assertion. An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group. (CVE-2017-6129)

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 : BIG-IP and BIG-IP Virtual Edition (VE) systems that are licensed with the BIG-IP LTM module include a free perpetual license for the BIG-IP APM Lite module. The BIG-IP LTM module is not affected by this vulnerability; however, BIG-IP LTM systems provisioned with the BIG-IP APM Lite module may be vulnerable. For more information about the BIG-IP APM Lite perpetual license, refer to K15854: BIG-IP APM Lite.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K20087443.

See Also

https://support.f5.com/csp/#/article/K20087443

https://support.f5.com/csp/article/K15854

Plugin Details

Severity: High

ID: 118601

File Name: f5_bigip_SOL20087443.nasl

Version: 1.1

Type: local

Published: 2018/11/02

Modified: 2018/11/02

Dependencies: 76940

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

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

CVSS v3.0

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_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-2017-6129