Integer overflow in Redis
CVE-2023-22458
Redis is an in-memory database that persists on disk. Authenticated users can issue a `HRANDFIELD` or `ZRANDMEMBER` command with specially crafted arguments to trigger a denial-of-service by crashing Redis with an assertion failure. This problem affects Redis versions 6.2 or newer up to but not including 6.2.9 as well as versions 7.0 up to but not including 7.0.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.720 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.720 · newest: 0.720 · change: 0.000
Affected products
- Redis — versions >= 6.2, < 6.2.9, >= 7.0, < 7.0.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/redis/redis/security/advisories/GHSA-r8w2-2m53-gprj (Third Party Advisory)
- github.com/redis/redis/commit/16f408b1a0121cacd44cbf8aee275d69dc627f02 (Patch, Third Party Advisory)
- github.com/redis/redis/releases/tag/6.2.9 (Third Party Advisory, Release Notes)
- github.com/redis/redis/releases/tag/7.0.8 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-22458?
- CVE-2023-22458 is a medium-severity vulnerability in Redis, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2023-01-20.
- How severe is CVE-2023-22458?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-22458 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.