F5 BIG-IP up to 15.1.0.3 High Availability inadequate encryption

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 11.6.5.1/12.1.5.1/13.1.3.3/14.1.2.4/15.1.0.3. It has been declared as problematic. This issue affects some unknown processing of the component High Availability. Such manipulation leads to inadequate encryption. This vulnerability is traded as CVE-2020-5884. Access to the local network is required for this attack to succeed. There is no exploit available.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.6.5.1/12.1.5.1/13.1.3.3/14.1.2.4/15.1.0.3 (Firewall Software). It has been rated as critical. Affected by this issue is some unknown processing of the component High Availability. The manipulation with an unknown input leads to a inadequate encryption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, and integrity. CVE summarizes:

On versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.4, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the default deployment mode for BIG-IP high availability (HA) pair mirroring is insecure. This is a control plane issue that is exposed only on the network used for mirroring.

The weakness was shared 04/30/2020 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2020-5884 since 01/06/2020. Access to the local network is required for this attack to succeed. 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 $0-$5k (estimation calculated on 05/01/2020). The MITRE ATT&CK project declares the attack technique as T1600.

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

The entries VDB-154666, VDB-154665, VDB-154663 and VDB-154662 are related to this item. 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
• 15.1.0.0
• 15.1.0.1
• 15.1.0.2
• 15.1.0.3

License

• commercial

Website

• Vendor: https://f5.com/

CPE 2.3info

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CPE 2.2info

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