RedisBloom CMS up to 2.2.18/2.4.11/2.6.13/2.8.1 CMS.INITBYDIM integer overflow

Summaryinfo

A vulnerability identified as very critical has been detected in RedisBloom CMS up to 2.2.18/2.4.11/2.6.13/2.8.1. The impacted element is the function CMS.INITBYDIM. This manipulation causes integer overflow. This vulnerability appears as CVE-2024-55656. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in RedisBloom CMS up to 2.2.18/2.4.11/2.6.13/2.8.1 and classified as very critical. Affected by this vulnerability is the function CMS.INITBYDIM. The manipulation 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 summary by CVE is:

RedisBloom adds a set of probabilistic data structures to Redis. There is an integer overflow vulnerability in RedisBloom, which is a module used in Redis. The integer overflow vulnerability allows an attacker (a redis client which knows the password) to allocate memory in the heap lesser than the required memory due to wraparound. Then read and write can be performed beyond this allocated memory, leading to info leak and OOB write. The integer overflow is in CMS.INITBYDIM command, which initialize a Count-Min Sketch to dimensions specified by user. It accepts two values (width and depth) and uses them to allocate memory in NewCMSketch(). This vulnerability is fixed in 2.2.19, 2.4.12, 2.6.14, and 2.8.2.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-55656 since 12/10/2024. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/08/2025).

Upgrading to version 2.2.19, 2.4.12, 2.6.14 or 2.8.2 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• RedisBloom

Name

• CMS

Version

• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6
• 2.2.7
• 2.2.8
• 2.2.9
• 2.2.10
• 2.2.11
• 2.2.12
• 2.2.13
• 2.2.14
• 2.2.15
• 2.2.16
• 2.2.17
• 2.2.18
• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 2.6.8
• 2.6.9
• 2.6.10
• 2.6.11
• 2.6.12
• 2.6.13
• 2.8.0
• 2.8.1

CPE 2.3info

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CPE 2.2info

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