#VU315 Disclosure of user information in PostgreSQL and Oracle Linux - CVE-2016-5424

Vulnerability identifier: #VU315

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-5424

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software
Oracle Linux
Operating systems & Components / Operating system

Vendor: PostgreSQL Global Development Group
Oracle

Description
The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The vulnerability exists in PostgreSQL. A remote authenticated attacker with CREATEDB or CREATEROLE roles can gain elevated privileges on the target system by creating a specially crafted object name containing newlines, carriage returns, double quotes, or backslashes.

Successful exploitation of this vulnerability may result in disclosure of user information.

Mitigation
Install the following versions: (9.1.23, 9.2.18, 9.3.14, 9.4.9, 9.5.4).

Vulnerable software versions

PostgreSQL: 9.1

Oracle Linux: 7

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External links
https://www.postgresql.org/about/news/1688/
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html

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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.