SB2020032632 - Red Hat Software Collections update for rh-postgresql10-postgresql
Published: March 26, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Stack-based buffer overflow (CVE-ID: CVE-2019-10164)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing users passwords. A remote authenticated user can change his/her password to a specially crafted string, trigger stack-based buffer overflow and execute arbitrary code on the target system or crash the PostgreSQL process.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Improper Authorization (CVE-ID: CVE-2020-1720)
The vulnerability allows a remote attacker to perform unauthorized modification of data in database.
The vulnerability exists due to the ALTER ... DEPENDS ON EXTENSION sub-commands do not perform authorization
checks, which can allow an unprivileged user to drop any function, procedure,
materialized view, index, or trigger under certain conditions. This attack is
possible if an administrator has installed an extension and an unprivileged
user can CREATE, or an extension owner either executes DROP EXTENSION
predictably or can be convinced to execute DROP EXTENSION.
Remediation
Install update from vendor's website.