CVE-2023-40373 IBM Db2 denial of service
Attackers can cause a denial of service in IBM Db2 by submitting specially crafted queries containing common table expressions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-40373?
CVE-2023-40373 is a medium-severity denial of service vulnerability in Ibm Db2, published on 16 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to denial of service with a specially crafted query containing common table expressions. IBM X-Force ID: 263574.
Weakness: CWE-20
Which versions are affected by CVE-2023-40373?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2023-40373?
No fix has been published for CVE-2023-40373 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-2023-40373 being exploited?
There is no known exploitation of CVE-2023-40373 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-cgwh-288c-f28p.