SB2023041157 - Red Hat Enterprise Linux 9 update for postgresql
Published: April 11, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-2625)
The vulnerability allows a remote user to escalate privileges within the database.
The vulnerability exists due to extension scripts can replace objects that do not belong to the extension when using the CREATE OR REPLACE or CREATE IF NOT EXISTS commands. A remote user with (1) permissions to create non-temporary objects in at least one schema, (2) ability to lure
or wait for an administrator to create or update an affected extension
in that schema, and (3) ability to lure or wait for a victim to use the
object targeted in CREATE OR REPLACE or CREATE IF NOT EXISTS can run arbitrary code as the victim role.
2) Out-of-bounds read (CVE-ID: CVE-2022-41862)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A remote attacker can send an unterminated string during the establishment of Kerberos transport encryption, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.