F5-K000137106: Medium severity F5 BIG-IP Next vulnerability

Published Oct 10, 2023
·
Updated

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. (CVE-2023-44487 also known as HTTP/2 Rapid Reset Attack)

Affected Software

12 affected componentsFixes available
F5 BIG-IP Next=20.0.1
20.1.0
F5 BIG-IP Next SPK>=1.5.0<=1.9.2
2.0.0
F5 BIG-IP>=17.1.0<=17.1.1
17.1.1.3
F5 BIG-IP>=16.1.0<=16.1.4
16.1.4.3
F5 BIG-IP>=15.1.0<=15.1.10
15.1.10.4
F5 BIG-IP>=14.1.0<=14.1.5
F5 BIG-IP>=13.1.0<=13.1.5
F5 NGINX Plus=25
30
F5 NGINX Open Source>=1.9.5<=1.25.2
F5 NGINX Ingress Controller>=3.0.0<=3.3.0
3.3.1
F5 NGINX Ingress Controller>=2.0.0<=2.4.2
F5 NGINX Ingress Controller=1.12.2

Event History

Oct 10, 2023
Advisory Published
via F5·12:00 PM
Data Sourced
via F5·12:00 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of F5-K000137106?

The severity of F5-K000137106 is high due to its potential for denial of service through HTTP/2 rapid reset attacks.

2

How do I fix F5-K000137106?

To fix F5-K000137106, you should upgrade to the latest version of the affected software with the specified remedies.

3

What products are affected by F5-K000137106?

F5-K000137106 affects several products including F5 BIG-IP and F5 NGINX, across various versions.

4

When was F5-K000137106 exploited in the wild?

F5-K000137106 was actively exploited in the wild from August to October 2023.

5

What type of attack does F5-K000137106 relate to?

F5-K000137106 relates to a denial of service attack caused by rapid request cancellation in the HTTP/2 protocol.

Contact

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