CVE-2009-4019 Denial of service in n/a
Remote authenticated users can crash the MySQL daemon by executing crafted SELECT statements with subqueries or GeomFromWKB functions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-4019?
CVE-2009-4019 is a medium-severity denial of service vulnerability in Mysql Mysql, published on 30 Nov 2009. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
mysqld in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41 does not (1) properly handle errors during execution of certain SELECT statements with subqueries, and does not (2) preserve certain null_value flags during execution of statements that use the GeomFromWKB function, which allows remote authenticated users to cause a denial of service (daemon crash) via a crafted statement.
Which versions are affected by CVE-2009-4019?
It affects 2 products.
Products include Mysql Mysql, Oracle Mysql.
How do I fix CVE-2009-4019?
Upgrade to a fixed version.
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-2009-4019 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-4019 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Mysql Mysql
Sources
Also known as GHSA-pvv2-gf98-5mv3.