Improper input validation in Redis
CVE-2023-28856
Redis is an open source, in-memory database that persists on disk. Authenticated users can use the `HINCRBYFLOAT` command to create an invalid hash field that will crash Redis on access in affected versions. This issue has been addressed in in versions 7.0.11, 6.2.12, and 6.0.19. Users are advised to upgrade. There are no known workarounds for this issue.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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: 0.013 (68.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Redis — versions >= 7.0.0, < 7.0.11, >= 6.2.0, < 6.2.12, < 6.0.19
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 36, 37, 38
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/redis/redis/security/advisories/GHSA-hjv8-vjf6-wcr6 (Vendor Advisory)
- github.com/redis/redis/pull/11149 (Patch, Issue Tracking)
- github.com/redis/redis/commit/bc7fe41e5857a0854d524e2a63a028e9394d2a5c (Patch)
- lists.debian.org/debian-lts-announce/2023/04/msg00023.html (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230601-0007/
Frequently asked questions
- What is CVE-2023-28856?
- CVE-2023-28856 is a medium-severity vulnerability in Redis, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2023-04-18.
- How severe is CVE-2023-28856?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-28856 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.