Vulnerability Monitor

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CVE-2016-0766

PostgreSQL before 9.1.20, 9.2.x before 9.2.15, 9.3.x before 9.3.11, 9.4.x before 9.4.6, and 9.5.x before 9.5.1 does not properly restrict access to unspecified custom configuration settings (GUCS) for PL/Java, which allows attackers to gain privileges via unspecified vectors.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from postgresql, from canonical, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-02-17T15:59:01.237

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	postgresql	postgresql	< 9.1.20	Yes
Application	postgresql	postgresql	< 9.2.15	Yes
Application	postgresql	postgresql	< 9.3.11	Yes
Application	postgresql	postgresql	< 9.4.6	Yes
Application	postgresql	postgresql	9.5	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3475 Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3476 Third Party Advisory ([email protected])
http://www.postgresql.org/about/news/1644/ Vendor Advisory ([email protected])
http://www.postgresql.org/docs/current/static/release-9-1-20.html Vendor Advisory ([email protected])
http://www.postgresql.org/docs/current/static/release-9-2-15.html Vendor Advisory ([email protected])
http://www.postgresql.org/docs/current/static/release-9-3-11.html Vendor Advisory ([email protected])
http://www.postgresql.org/docs/current/static/release-9-4-6.html Vendor Advisory ([email protected])
http://www.postgresql.org/docs/current/static/release-9-5-1.html Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/83184 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1035005 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2894-1 Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201701-33 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3475 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3476 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.postgresql.org/about/news/1644/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.postgresql.org/docs/current/static/release-9-1-20.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.postgresql.org/docs/current/static/release-9-2-15.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.postgresql.org/docs/current/static/release-9-3-11.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.postgresql.org/docs/current/static/release-9-4-6.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.postgresql.org/docs/current/static/release-9-5-1.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/83184 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1035005 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2894-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201701-33 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For postgresql's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.