CVE-2018-10925 Missing authorization in postgresql

What is CVE-2018-10925?

CVE-2018-10925 is a high-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 9 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

It was discovered that PostgreSQL versions before 10.5, 9.6.10, 9.5.14, 9.4.19, and 9.3.24 failed to properly check authorization on certain statements involved with "INSERT ... ON CONFLICT DO UPDATE". An attacker with "CREATE TABLE" privileges could exploit this to read arbitrary bytes server memory. If the attacker also had certain "INSERT" and limited "UPDATE" privileges to a particular table, they could exploit this to update other columns in the same table.

Weakness: CWE-863

Which versions are affected by CVE-2018-10925?

It affects 3 products.

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

How do I fix CVE-2018-10925?

Upgrade to a fixed version.

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

Is CVE-2018-10925 being exploited?

There is no known exploitation of CVE-2018-10925 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 ALPINE-CVE-2018-10925, CLEANSTART-2026-IN55684, GHSA-mr45-mwhc-fw72, UBUNTU-CVE-2018-10925.