#VU9168 Data handling in PostgreSQL - CVE-2017-15098

Vulnerability identifier: #VU9168

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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

---

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

---

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.