CVE-2017-3636 Missing authorization in MySQL Server

Medium 5.3 Published 8 Aug 2017 Updated 4 Oct 2024

A low-privileged attacker with local access can modify, read, or disrupt MySQL Server data due to insufficient authorization checks in client programs.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2017-3636?

CVE-2017-3636 is a medium-severity missing authorization vulnerability in Debian Debian Linux, published on 8 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Client programs). Supported versions that are affected are 5.5.56 and earlier and 5.6.36 and earlier. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.0 Base Score 5.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Which versions are affected by CVE-2017-3636?

It affects 10 products.

Products include Debian Debian Linux, Mariadb Mariadb, Oracle Mysql, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 4 more.

How do I fix CVE-2017-3636?

Apply the vendor's patch.

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

Is CVE-2017-3636 being exploited?

There is no known exploitation of CVE-2017-3636 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2017-3636, GHSA-c28x-42jj-83gc, UBUNTU-CVE-2017-3636.