KLA11091
Multiple vulnerabilities in PostgreSQL
Updated: 08/28/2017
CVSS
?
7.5
Detect date
?
08/10/2017
Severity
?
Critical
Description

Multiple serious vulnerabilities have been found in PostgreSQL. Malicious users can exploit these vulnerabilities to bypass security restrictions and obtain sensitive information.

Below is a complete list of vulnerabilities:

  1. An improper handling of empty passwords in libpq can be exploited remotely via an empty password to bypass security (authentication) restrictions; 
  2. An unspecified vulnerability related to the usage of the foreign data functionality can be exploited remotely to obtain sensitive information.

Technical details

Vulnerability (2) exists because all users (including those who did not have the USAGE permission on the associated foreign server) could see the options in the pg_user_mappings catalog.

Affected products

PostgreSQL 9.2.x before 9.2.22
PostgreSQL 9.3.x before 9.3.18
PostgreSQL 9.4.x before 9.4.13
PostgreSQL 9.5.x before 9.5.8
PostgreSQL 9.6.x before 9.6.4

Solution

Update to the latest version
Download PostgreSQL

Original advisories

PostgreSQL Security Update Release

Impacts
?
OSI 
[?]

SB 
[?]
Related products
PostgreSQL
CVE-IDS
?

CVE-2017-7547
CVE-2017-7546