Redis up to 5.0.13/6.0.15/6.2.5 ziplist Data Structure integer overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in Redis up to 5.0.13/6.0.15/6.2.5. This vulnerability affects unknown code of the component ziplist Data Structure Handler. The manipulation results in integer overflow. This vulnerability is known as CVE-2021-32628. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Redis up to 5.0.13/6.0.15/6.2.5. Affected is some unknown functionality of the component ziplist Data Structure Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 10/05/2021 as GHSA-vw22-qm3h-49pr. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-32628 since 05/12/2021. There are neither technical details nor an exploit 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.

Once again VulDB remains the best source 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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