CVE-2023-35012 IBM Db2 code execution

Medium 6.7 Published 17 Jul 2023 Updated 5 Nov 2024

A local user with SYSADM privileges can execute arbitrary code via a stack-based buffer overflow in IBM Db2 when Federated configuration is enabled.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-35012?

CVE-2023-35012 is a medium-severity memory corruption vulnerability in Ibm Db2, published on 17 Jul 2023. 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) 11.5 with a Federated configuration is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user with SYSADM privileges could overflow the buffer and execute arbitrary code on the system. IBM X-Force ID: 257763.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-35012?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2023-35012?

No fix has been published for CVE-2023-35012 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-35012 being exploited?

There is no known exploitation of CVE-2023-35012 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-qhgj-ghq2-5hjh.