Vulnerability identifier: #VU40401

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-3065

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

The (1) brin_page_type and (2) brin_metapage_info functions in the pageinspect extension in PostgreSQL before 9.5.x before 9.5.2 allows attackers to bypass intended access restrictions and consequently obtain sensitive server memory information or cause a denial of service (server crash) via a crafted bytea value in a BRIN index page.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PostgreSQL: 9.5 - 9.5.1

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External links
http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=bf78a6f107949fdfb513d1b45e30cefe04e09e4f
http://www.postgresql.org/about/news/1656/
http://www.postgresql.org/docs/current/static/release-9-5-2.html
http://www.securitytracker.com/id/1035468

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.