F5 BIG-IP up to 12.1.5.1/13.1.3.3/14.1.2.3/15.1.0.1 High Availability inadequate encryption

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 12.1.5.1/13.1.3.3/14.1.2.3/15.1.0.1. It has been rated as problematic. Impacted is an unknown function of the component High Availability. Performing a manipulation results in inadequate encryption. This vulnerability is known as CVE-2020-5885. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in F5 BIG-IP up to 12.1.5.1/13.1.3.3/14.1.2.3/15.1.0.1 (Firewall Software). This affects an unknown function of the component High Availability. The manipulation with an unknown input leads to a inadequate encryption vulnerability. CWE is classifying the issue as CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, and 12.1.0-12.1.5.1, BIG-IP systems set up for connection mirroring in a high availability (HA) pair transfer sensitive cryptographic objects over an insecure communications channel. This is a control plane issue which is exposed only on the network used for connection mirroring.

The weakness was published 04/30/2020 (Website). The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2020-5885 since 01/06/2020. The attack needs to approached within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/01/2020). MITRE ATT&CK project uses the attack technique T1600 for this issue.

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

Similar entries are available at VDB-154666, VDB-154664, VDB-154663 and VDB-154662. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 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
• 15.1.0.0
• 15.1.0.1

License

• commercial

Website

• Vendor: https://f5.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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