CVE-2017-10203 Denial of service in MySQL Connectors

Medium 5.3 Published 19 Oct 2017 Updated 4 Oct 2024

An unauthenticated attacker can cause a partial denial of service in MySQL Connector/Net via network access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-10203?

CVE-2017-10203 is a medium-severity denial of service vulnerability in Oracle Corporation MySQL Connectors, published on 19 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Net). Supported versions that are affected are 6.9.9 and earlier. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Which versions are affected by CVE-2017-10203?

It affects 1 product.

Products include Oracle Mysql Connector\/Net.

How do I fix CVE-2017-10203?

No fix has been published for CVE-2017-10203 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-10203 being exploited?

There is no known exploitation of CVE-2017-10203 in the wild and no public exploit code.

Sources

Also known as GHSA-x3qh-5xjx-qrmx.