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CVE-2022-36021

Public on 2023-03-01
Modified on 2023-03-03
Description

Redis is an in-memory database that persists on disk. Authenticated users can use string matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time. The problem is fixed in Redis versions 6.0.18, 6.2.11, 7.0.9.

Severity
Medium
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Redis6 Extra redis 2023-08-07 05:24 ALAS2REDIS6-2023-001
Amazon Linux 2023 redis6 2023-03-30 21:11 ALAS2023-2023-154

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2022-36021 Mitre: CVE-2022-36021 FAQs regarding Amazon Linux ALAS/CVE Severity