CVE-2022-36021
MEDIUM severity · CVSS 5.5 · CWE-407
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)61%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84 ↗
Additional information
- NVD record
- https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84Patch
- https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84Patch
- https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqvAdvisory
- https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqvAdvisory