F5 Networks BIG-IP : TMM with LRO vulnerability (K07550539)

Medium Nessus Plugin ID 118624


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


When Large Receive Offload (LRO) is enabled, undisclosed traffic patterns may cause TMM to restart. LRO has been available since 11.4.0 but is not enabled by default until13.1.0 for all platformsand 12.0.0 for Virtual Edition. (CVE-2018-15311)


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 : This vulnerability is not exposed unless Large Receive Offload (LRO) is enabled. For more information about LRO being enabled by default, refer toK33612400: TCP Large Receive Offload tm.tcplargereceiveoffload database variable is enabled by default.


Upgrade to one of the non-vulnerable versions listed in the F5 Solution K07550539.

See Also


Plugin Details

Severity: Medium

ID: 118624

File Name: f5_bigip_SOL07550539.nasl

Version: 1.3

Type: local

Published: 2018/11/02

Updated: 2019/01/04

Dependencies: 76940

Configuration: Enable paranoid mode

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:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip

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

Patch Publication Date: 2018/10/09

Reference Information

CVE: CVE-2018-15311