CVE-2021-29702 Denial of service in DB2 for Linux- UNIX and Windows

High 7.5 Published 16 Jun 2021 Updated 16 Sep 2024

Attackers can cause IBM DB2 servers to crash by executing specially crafted SELECT statements, resulting in a denial of service.

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-2021-29702?

CVE-2021-29702 is a high-severity denial of service vulnerability in Ibm Db2, published on 16 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1.4 and 11.5.5 is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force ID: 200658.

Weakness: CWE-74

Which versions are affected by CVE-2021-29702?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2021-29702?

No fix has been published for CVE-2021-29702 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-2021-29702 being exploited?

There is no known exploitation of CVE-2021-29702 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-q3qc-r35h-g8rv.