CVE-2021-29763 Denial of service in DB2 for Linux, UNIX and Windows
A local user can exhaust system memory by running a specific procedure, causing a denial of service in IBM Db2.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29763?
CVE-2021-29763 is a medium-severity denial of service vulnerability in Ibm Db2, published on 16 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service. IBM X-Force ID: 202267.
Weakness: CWE-770
Which versions are affected by CVE-2021-29763?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2021-29763?
No fix has been published for CVE-2021-29763 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-2021-29763 being exploited?
There is no known exploitation of CVE-2021-29763 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-43mr-gg87-qwf3.