Redis up to 5.0.10/6.0.10 on 32-bit configuration integer overflow

Summaryinfo

A vulnerability has been found in Redis up to 5.0.10/6.0.10 on 32-bit and classified as critical. This impacts an unknown function. This manipulation of the argument configuration causes integer overflow. The identification of this vulnerability is CVE-2021-21309. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Redis up to 5.0.10/6.0.10 on 32-bit and classified as critical. Affected by this vulnerability is an unknown part. The manipulation of the argument configuration with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 02/27/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-21309. Technical details are known, but no exploit is available.

Upgrading to version 5.0.10, 6.0.10 or 6.2.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch 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
• 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

License

• open-source

Website

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

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