SB2017120817 - Red Hat update for postgresql



SB2017120817 - Red Hat update for postgresql

Published: December 8, 2017

Security Bulletin ID SB2017120817
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper access control (CVE-ID: CVE-2017-12172)

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

The weakness exists due to a flaw in certain non-default startup scripts. A local attacker with the privileges of the database server can create a symbolic link from the $PGLOG file to a critical file and modify the target file.

2) Privilege escalation (CVE-ID: CVE-2017-15097)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to a race condition in several of the initialization and setup scripts. A local attacker with 'postgres' user privileges can obtain root privileges.

Remediation

Install update from vendor's website.