Redis up to 5.0.13/6.0.15/6.2.5 RESP Request allocation of resources

Summaryinfo

A vulnerability identified as problematic has been detected in Redis up to 5.0.13/6.0.15/6.2.5. Affected is an unknown function of the component RESP Request Handler. This manipulation causes allocation of resources. This vulnerability is tracked as CVE-2021-32675. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Redis up to 5.0.13/6.0.15/6.2.5. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component RESP Request Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability.

The weakness was disclosed 10/05/2021 as GHSA-f6pw-v9gw-v64p. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-32675 since 05/12/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 5.0.14, 6.0.16 or 6.2.6 eliminates this vulnerability. Applying the patch 5674b0057ff2903d43eaff802017eddf37c360f8 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• Redis

Version

• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5
• 5.0.6
• 5.0.7
• 5.0.8
• 5.0.9
• 5.0.10
• 5.0.11
• 5.0.12
• 5.0.13
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5

License

• open-source

Website

• Product: https://github.com/redis/redis/

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