CVE-2019-3466 Privilege escalation in postgresql-common (Debian-specific Postgres management tools)

What is CVE-2019-3466?

CVE-2019-3466 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 20 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The pg_ctlcluster script in postgresql-common in versions prior to 210 didn't drop privileges when creating socket/statistics temporary directories, which could result in local privilege escalation.

Weakness: CWE-269

Which versions are affected by CVE-2019-3466?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Postgresql Postgresql-Common.

How do I fix CVE-2019-3466?

Apply the vendor's patch.

Is CVE-2019-3466 being exploited?

There is no known exploitation of CVE-2019-3466 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CLEANSTART-2026-BQ90426, DEBIAN-CVE-2019-3466, DLA-1994-1, DSA-4568-1, ECHO-cf16-1305-6c35, GHSA-rhrq-jx2f-79g7 and 3 more.