QID 375794

Date Published: 2021-08-19

QID 375794: F5 BIG-IP ASM,LTM,APM Traffic Management Microkernel (TMM) Stream Control Transmission Protocol (SCTP) Vulnerability (K05300051)

F5 BIG-IP ASM (Application Security Manager) is a flexible web application firewall that secures web applications in traditional, virtual, and private cloud environments.
F5 BIG-IP (LTM) Local Traffic Manager is the most popular module offered on F5 Networks BIG-IP platform. The real power of the LTM is it is a Full Proxy, allowing you to augment client and server side connections. All while making informed load balancing decisions on availability, performance, and persistence.
F5 BIG-IP Access Policy Manager (APM) is a secure, flexible, high-performance solution that provides unified global access to your network, cloud, and applications.

The Traffic Management Microkernel (TMM) may stop responding when processing Stream Control Transmission Protocol (SCTP) traffic under certain conditions. This vulnerability affects TMM by way of a virtual server configured with an SCTP profile. (CVE-2021-23013)

Vulnerable Component: BIG-IP ASM, APM,LTM

Affected Versions:
16.0.0 - 16.0.1.0
15.1.0 - 15.1.2
14.1.0 - 14.1.3
13.1.0 - 13.1.3.5
12.1.0 - 12.1.5.2

QID Detection Logic(Authenticated):
This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

Traffic processing is disrupted while TMM restarts. If the affected BIG-IP system is configured as part of a device group, the system triggers a failover to the peer device.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

The vendor has released patch, for more information please visit: K05300051

Vendor References

K05300051 - support.f5.com/csp/article/K05300051

CVEs related to QID 375794

CVE-2021-23013 |

Software Advisories

Advisory ID	Software	Component	Link
K05300051			support.f5.com/csp/article/K05300051

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