#VU22785 Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2019-3466
Published: November 15, 2019
Vulnerability identifier: #VU22785
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-3466
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
PostgreSQL
PostgreSQL
Software vendor:
PostgreSQL Global Development Group
PostgreSQL Global Development Group
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to pg_ctlcluster does not drop privileges before creating sockets and temporary directories outside "/var/run/postgresql". A local user can create arbitrary directories on the system during application startup or reload and elevate privileges on the system.
Remediation
Install updates from vendor's website.