Improper input validation in F5 Networks products - CVE-2017-6156

 

Improper input validation in F5 Networks products - CVE-2017-6156

Published: May 16, 2018


Vulnerability identifier: #VU12774
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H]
CVE-ID: CVE-2017-6156
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to improper input validation when the system is configured with a wildcard IPSec tunnel endpoint. A remote attacker can disrupt or impersonate the tunnels that have completed phase 1 IPSec negotiations.

Affected software

BIG-IP WebSafe
BIG-IP APM
BIG-IP ASM
BIG-IP Analytics
BIG-IP AFM
BIG-IP GTM
BIG-IP PEM
BIG-IP LTM
BIG-IP DNS
BIG-IP Edge Gateway
BIG-IP Link Controller
BIG-IP AAM
BIG-IP WebAccelerator

How to mitigate CVE-2017-6156

Update to versions 13.0.0, 12.1.2, 11.6.1 HF2 or 11.5.6.


External References

Related Security Bulletins