SB2018120705 - Amazon Linux AMI update for postgresql96
Published: December 7, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Information disclosure (CVE-ID: CVE-2018-10925)
The vulnerability allows a remote privileged attacker to obtain potentially sensitive information.
The vulnerability exists due to improper check authorization on certain statements involved with "INSERT ... ON CONFLICT DO UPDATE". A remote attacker with "CREATE TABLE" privileges can read arbitrary bytes server memory.
2) SQL injection (CVE-ID: CVE-2018-10915)
The vulnerability allows a remote attacker to execute arbitrary SQL commands in web application database.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary SQL commands in web application database.
Successful exploitation of the vulnerability may allow an attacker to gain administrative access to vulnerable web application.
3) Security restrictions bypass (CVE-ID: CVE-2018-1115)
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.The weakness exists in the pg_catalog.pg_logfile_rotate() function due to improper Access Control List (ACL) restrictions as it does not follow the same ACLs as the pg_rorate_logfile function. A remote attacker can connect to the database and cause the target software to force log rotation, write log messages across arbitrary log files or cause the service to crash.
Remediation
Install update from vendor's website.