Buffer overflow in PostgreSQL - CVE-2015-3166

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Main Vulnerability Database Vulnerabilities #VU30589

Buffer overflow in PostgreSQL - CVE-2015-3166

Published: November 20, 2019 / Updated: July 17, 2020


Vulnerability identifier: #VU30589
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-3166
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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.


Affected software

PostgreSQL
Amazon Linux AMI
Gentoo Linux
Ubuntu
postgresql (Alpine package)
postgresql-9.1 (Ubuntu package)
postgresql-9.3 (Ubuntu package)
postgresql-9.4 (Ubuntu package)

How to mitigate CVE-2015-3166

Install update from vendor's website.

PostgreSQL - update to 9.4.2
postgresql (Alpine package) - update to 9.3.7-r0
postgresql-9.1 (Ubuntu package) - update to 9.1.16-0ubuntu0.12.04
postgresql-9.3 (Ubuntu package) - update to 9.3.7-0ubuntu0.14.04
postgresql-9.4 (Ubuntu package) - addressed in versions 9.4.2-0ubuntu0.14.10, 9.4.2-0ubuntu0.15.04

External References

Related Security Bulletins