Buffer overflow in PostgreSQL
CVE-2015-3166
The snprintf implementation in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 does not properly handle system-call errors, which allows attackers to obtain sensitive information or have other unspecified impact via unknown vectors, as demonstrated by an out-of-memory error.
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: 0.046 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
Affected products
- PostgreSQL
- PostgreSQL Global Development Group — versions before 9.0.20, 9.2.x before 9.2.11, 9.1.x before 9.1.16
- Canonical Ubuntu Linux — versions 12.04, 14.04, 14.10
- Debian Linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.postgresql.org/about/news/1587/ (Vendor Advisory)
- www.postgresql.org/docs/9.0/static/release-9-0-20.html (Release Notes, Vendor Advisory)
- www.postgresql.org/docs/9.1/static/release-9-1-16.html (Release Notes, Vendor Advisory)
- www.postgresql.org/docs/9.2/static/release-9-2-11.html (Release Notes, Vendor Advisory)
- www.postgresql.org/docs/9.3/static/release-9-3-7.html (Release Notes, Vendor Advisory)
- www.postgresql.org/docs/9.4/static/release-9-4-2.html (Release Notes, Vendor Advisory)
- www.debian.org/security/2015/dsa-3269 (Third Party Advisory)
- www.debian.org/security/2015/dsa-3270 (Third Party Advisory)
- ubuntu.com/usn/usn-2621-1 (Third Party Advisory)
Frequently asked questions
- What is CVE-2015-3166?
- CVE-2015-3166 is a critical-severity vulnerability in PostgreSQL, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-11-20.
- How severe is CVE-2015-3166?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-3166 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.