medium
5.5
CWE
407 190
Advisory Published
CVE Published
Updated

CVE-2022-36021: Redis string pattern matching can be abused to achieve Denial of Service

First published: Wed Mar 01 2023(Updated: )

(<a href="https://access.redhat.com/security/cve/CVE-2023-25155">CVE-2023-25155</a>) Specially crafted SRANDMEMBER, ZRANDMEMBER, and HRANDFIELD commands can trigger an integer overflow, resulting in a runtime assertion and termination of the Redis server process. <a href="https://github.com/gentoo/gentoo/pull/29860">https://github.com/gentoo/gentoo/pull/29860</a>

Credit: security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
IBM Planning Analytics<=2.0
debian/redis<=5:5.0.14-1+deb10u2<=5:6.0.16-1+deb11u2
5:5.0.14-1+deb10u5
5:7.0.15-1~deb12u1
5:7.0.15-1
ubuntu/redis<5:4.0.9-1ubuntu0.2+
5:4.0.9-1ubuntu0.2+
ubuntu/redis<5:5.0.7-2ubuntu0.1+
5:5.0.7-2ubuntu0.1+
ubuntu/redis<5:6.0.16-1ubuntu1+
5:6.0.16-1ubuntu1+
ubuntu/redis<2:2.8.4-2ubuntu0.2+
2:2.8.4-2ubuntu0.2+
ubuntu/redis<6.0.18<6.2.11<7.0.9
6.0.18
6.2.11
7.0.9
ubuntu/redis<2:3.0.6-1ubuntu0.4+
2:3.0.6-1ubuntu0.4+
Redis<6.0.18
Redis>=6.2.0<6.2.11
Redis>=7.0.0<7.0.9

Remedy

https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-36021?

    CVE-2022-36021 is a vulnerability in Redis that allows authenticated users to trigger a denial-of-service attack by using string matching commands with a specially crafted pattern.

  • How can this vulnerability be exploited?

    This vulnerability can be exploited by authenticated users using string matching commands like `SCAN` or `KEYS` with a specific pattern.

  • What is the severity of CVE-2022-36021?

    CVE-2022-36021 has a severity rating of medium.

  • How can I fix CVE-2022-36021?

    To fix CVE-2022-36021, it is recommended to upgrade Redis to version 6.0.18 (for Redis 6.0) or versions between 6.2.0 and 6.2.11 (for Redis 6.2), or between 7.0.0 and 7.0.9 (for Redis 7.0).

  • What is the CWE ID for CVE-2022-36021?

    The CWE ID for CVE-2022-36021 is CWE-407.

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