CVE-2005-0637 Memory corruption in n/a

Medium 5.0 Published 4 Mar 2005 Updated 7 Aug 2024

Attackers can exploit kernel copy functions to modify memory, leading to privilege escalation or code execution on OpenBSD systems.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2005-0637?

CVE-2005-0637 is a medium-severity memory corruption vulnerability in Openbsd Openbsd, published on 4 Mar 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The copy functions in locore.s such as copyout in OpenBSD 3.5 and 3.6, and possibly other BSD based operating systems, may allow attackers to exceed certain address boundaries and modify kernel memory.

Which versions are affected by CVE-2005-0637?

It affects 1 product.

Products include Openbsd Openbsd.

How do I fix CVE-2005-0637?

No fix has been published for CVE-2005-0637 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-2005-0637 being exploited?

There is no known exploitation of CVE-2005-0637 in the wild and no public exploit code.

All Openbsd Openbsd vulnerabilities

Sources

Also known as GHSA-gh89-4wjp-mf9f.