Information disclosure in PostgreSQL - CVE-2017-7484

 

Information disclosure in PostgreSQL - CVE-2017-7484

Published: June 2, 2017 / Updated: June 5, 2017


Vulnerability identifier: #VU6892
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7484
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 authenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper privilege checking before providing information from pg_statistic. A remote attacker can send a specially crafted request to bypass SELECT privilege checks, cause memory leak and steal some information from ostensibly restricted tables.

Successful exploitation of the vulnerability results in information disclosure.

How to mitigate CVE-2017-7484

Update to versions 9.2.21, 9.3.17, 9.4.12, 9.5.7, 9.6.3.

Sources