CVE-2016-6876

HIGH

F5 BIG-IP LTM DoS via RESOLV::lookup iRule Command

Title source: llm
STIX 2.1

Description

The RESOLV::lookup iRule command in F5 BIG-IP LTM, APM, ASM, and Link Controller 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP Analytics 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP DNS 12.0.0 before HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 10.2.1 through 10.2.4 and 11.2.1; BIG-IP GTM 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 10.2.1 through 10.2.4 and 11.4.0 through 11.4.1 allows remote DNS servers to cause a denial of service (CPU consumption or Traffic Management Microkernel crash) via a crafted PTR response.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036725

Scores

CVSS v3 7.5
EPSS 0.0075
EPSS Percentile 73.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-399
Status published
Products (50)
f5/big-ip_access_policy_manager 10.2.1
f5/big-ip_access_policy_manager 10.2.2
f5/big-ip_access_policy_manager 10.2.3
f5/big-ip_access_policy_manager 10.2.4
f5/big-ip_access_policy_manager 11.2.1
f5/big-ip_access_policy_manager 11.4.0
f5/big-ip_access_policy_manager 11.4.1
f5/big-ip_access_policy_manager 11.5.0
f5/big-ip_access_policy_manager 11.5.1
f5/big-ip_access_policy_manager 11.5.2
... and 40 more
Published Sep 07, 2016
Tracked Since Feb 18, 2026