Buffer overflow in Redis
CVE-2016-8339
A buffer overflow in Redis 3.2.x prior to 3.2.4 causes arbitrary code execution when a crafted command is sent. An out of bounds write vulnerability exists in the handling of the client-output-buffer-limit option during the CONFIG SET command for the Redis data structure store. A crafted CONFIG SET command can lead to an out of bounds write potentially resulting in code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.148 (96.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.148 · newest: 0.148 · change: 0.000
Affected products
- Redis — versions 3.2.x prior to 3.2.4
- Redislabs Redis — versions 3.2.0, 3.2.1, 3.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/93283 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201702-16 (vendor-advisory, Third Party Advisory)
- github.com/antirez/redis/commit/6d9f8e2462fc2c426d48c941edeb78e5df7d2977 (Patch, Third Party Advisory)
- www.talosintelligence.com/reports/TALOS-2016-0206/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-8339?
- CVE-2016-8339 is a critical-severity vulnerability in Redis, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2016-10-28.
- How severe is CVE-2016-8339?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-8339 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.