F5 BIG-IP up to 15.1.0.4 Traffic Management Microkernel UDP Traffic unusual condition

Summaryinfo

A vulnerability labeled as problematic has been found in F5 BIG-IP up to 15.1.0.4. Impacted is an unknown function of the component Traffic Management Microkernel. Such manipulation as part of UDP Traffic leads to unusual condition. This vulnerability is uniquely identified as CVE-2020-5925. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 15.1.0.4 (Firewall Software). It has been rated as problematic. Affected by this issue is an unknown part of the component Traffic Management Microkernel. The manipulation as part of a UDP Traffic leads to a unusual condition vulnerability. Using CWE to declare the problem leads to CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. Impacted is availability. CVE summarizes:

In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, undisclosed internally generated UDP traffic may cause the Traffic Management Microkernel (TMM) to restart under some circumstances.

The weakness was disclosed 08/26/2020 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2020-5925 since 01/06/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/27/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-160351 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 11.6.5.0
• 11.6.5.1
• 12.1.5.0
• 12.1.5.1
• 13.1.3.0
• 13.1.3.1
• 13.1.3.2
• 13.1.3.3
• 14.1.2.0
• 14.1.2.1
• 14.1.2.2
• 14.1.2.3
• 14.1.2.4
• 14.1.2.5
• 14.1.2.6
• 15.0.1.0
• 15.0.1.1
• 15.0.1.2
• 15.0.1.3
• 15.1.0.0
• 15.1.0.1
• 15.1.0.2
• 15.1.0.3
• 15.1.0.4

License

• commercial

Website

• Vendor: https://f5.com/

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