Information disclosure in PostgreSQL - CVE-2019-10209

 

Information disclosure in PostgreSQL - CVE-2019-10209

Published: August 8, 2019


Vulnerability identifier: #VU20004
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-10209
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PostgreSQL Global Development Group
Affected software:
PostgreSQL

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to way PostgreSQL processes user-defined hash equality operators. A remote attacker can under certain circumstances read arbitrary bytes from server memory.

Note, exploitation of this vulnerability requires a superuser to create unusual operators.


How to mitigate CVE-2019-10209

Install updates from vendor's website.

Sources