CVE-2020-1720 Missing authorization in postgresql

What is CVE-2020-1720?

CVE-2020-1720 is a low-severity missing authorization vulnerability in Postgresql Postgresql, published on 17 Mar 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.

Weakness: CWE-862, CWE-285

Which versions are affected by CVE-2020-1720?

1 open source package ship an affected version, including postgresql. It affects 4 products.

Products include Postgresql Postgresql, Redhat Decision Manager, Redhat Enterprise Linux, Redhat Software Collections.

How do I fix CVE-2020-1720?

Upgrade postgresql to a fixed version for your release line: 9.6.17, 10.12.0, 11.7.0 or 12.2.0.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-1720 being exploited?

There is no known exploitation of CVE-2020-1720 in the wild and no public exploit code.

Other vulnerabilities in Postgresql Postgresql

• CVE-2013-1902 Information disclosure in n/a Critical 10.0
• CVE-2013-1903 Information disclosure in n/a Critical 10.0
• CVE-2007-3279 Privilege escalation in n/a Critical 10.0
• CVE-2002-1399 Integer overflow in n/a Critical 10.0
• CVE-2016-3065 Information disclosure in n/a Critical 9.1

All Postgresql Postgresql vulnerabilities

Sources

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

Also known as ALPINE-CVE-2020-1720, BIT-postgresql-2020-1720, CLEANSTART-2026-QH42621, DLA-2105-1, DSA-4622-1, DSA-4623-1 and 11 more.