Redis up to 5.0.13/6.0.15/6.2.5 Configuration Parameter integer overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in Redis up to 5.0.13/6.0.15/6.2.5. This affects an unknown part of the component Configuration Parameter Handler. The manipulation leads to integer overflow. This vulnerability is traded as CVE-2021-32627. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to 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 rated as critical. This issue affects an unknown functionality of the component Configuration Parameter Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/05/2021 as GHSA-f434-69fm-g45v. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-32627 since 05/12/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.0.14, 6.0.16 or 6.2.6 eliminates this vulnerability. Applying the patch f6a40570fa63d5afdd596c78083d754081d80ae3 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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