CVE-2008-3963 Denial of service in n/a
Remote attackers can crash the MySQL daemon by submitting a specific empty bit-string literal in a SQL statement, requiring database access.
- 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-2008-3963?
CVE-2008-3963 is a medium-severity denial of service vulnerability in Mysql Mysql, published on 10 Sep 2008. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
MySQL 5.0 before 5.0.66, 5.1 before 5.1.26, and 6.0 before 6.0.6 does not properly handle a b'' (b single-quote single-quote) token, aka an empty bit-string literal, which allows remote attackers to cause a denial of service (daemon crash) by using this token in a SQL statement.
Weakness: CWE-134
Which versions are affected by CVE-2008-3963?
It affects 2 products.
Products include Mysql Mysql, Oracle Mysql.
How do I fix CVE-2008-3963?
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-2008-3963 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-3963 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mysql Mysql
Sources
Also known as GHSA-hp64-jg7m-f9mq.