SB2019051001 - Multiple vulnerabilities in PostgreSQL
Published: May 10, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10127)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the BigSQL Windows installer does not remove permissive ACL entries from installed files and directories. A local user can gain unauthorized access to PostgreSQL directory.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10128)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the EnterpriseDB Windows installer does not remove permissive ACL entries from installed files and directories. A local user can gain unauthorized access to PostgreSQL directory.
3) Memory leak (CVE-ID: CVE-2019-10129)
The vulnerability allows a remote attacker to read parts of system memory.
The vulnerability exists due memory leak when processing INSERT queries. A remote authenticated user can execute a specially crafted INSERT statement to a partitioned table and read parts of memory.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10130)
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to incorrect implementation of row security policies. A remote attacker can use statistics, generated for tables to bypass row security policies and gain access to restricted rows.
Remediation
Install update from vendor's website.