Vulnerability identifier: #VU9168

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15098

CWE-ID: CWE-19

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description
The vulnerability allows a remote authenticated attacker to cause DoS condition or obtain potentially sensitive information on a targeted system.

The weakness exists due to improper data handling. A remote attacker can send specially crafted data to trigger a rowtype mismatch in json{b}_populate_recordset(), cause the application to crash or read arbitrary data.

Mitigation
Update to version 9.6.6.

Vulnerable software versions

PostgreSQL: 9.6.0 - 9.6.5, 9.5.0 - 9.5.8, 9.4.0 - 9.4.13

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External links
http://www.postgresql.org/docs/current/static/release-9-6-6.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.