CVE-2007-5634 Memory corruption in n/a

Medium 4.9 Published 23 Oct 2007 Updated 7 Aug 2024

Local attackers can crash the system or potentially gain privileges via a buffer overflow in the SpeedFan kernel driver on Windows Vista x64.

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-2007-5634?

CVE-2007-5634 is a medium-severity memory corruption vulnerability in n/a, published on 23 Oct 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, does not properly check a buffer during an IOCTL 0x9c402420 call, which allows local users to cause a denial of service (machine crash) and possibly gain privileges via unspecified vectors.

Weakness: CWE-119

Which versions are affected by CVE-2007-5634?

It affects 1 product.

Products include Almico Speedfan.

How do I fix CVE-2007-5634?

No fix has been published for CVE-2007-5634 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-2007-5634 being exploited?

There is no known exploitation of CVE-2007-5634 in the wild and no public exploit code.

Sources

Also known as GHSA-3f25-9wj6-fhrv.