SB2019122202 - Memory leak in MFC in F5 Networks BIG-IP LTM



SB2019122202 - Memory leak in MFC in F5 Networks BIG-IP LTM

Published: December 22, 2019

Security Bulletin ID SB2019122202
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Memory leak (CVE-ID: CVE-2019-6681)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the tmrouted process on a BIG-IP system licensed with the Routing bundle and configured for Multicast Forwarding Cache (MFC). A remote attacker can trigger memory leak and perform a denial of service attack by exhausting system resources.


Remediation

Install update from vendor's website.