CVE Vulnerabilities

CVE-2018-15311

Published: Oct 10, 2018 | Modified: Oct 03, 2019
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.

Affected Software

Name Vendor Start Version End Version
Big-ip_local_traffic_manager F5 11.5.1 11.5.6
Big-ip_local_traffic_manager F5 11.6.0.0 11.6.3.2
Big-ip_local_traffic_manager F5 12.1.0.0 12.1.3.5
Big-ip_local_traffic_manager F5 13.0.0.0 13.1.0.5

References