Memory leak in BIG-IP LTM - CVE-2019-6681
Published: December 22, 2019 / Updated: December 22, 2019
Vulnerability identifier: #VU23787
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-6681
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP LTM
BIG-IP LTM
Detailed vulnerability description
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.
How to mitigate CVE-2019-6681
Install updates from vendor's website.