CVE-2007-5633 Privilege escalation in n/a
Local attackers can exploit SpeedFan driver IOCTLs to read/write arbitrary MSRs, enabling privilege escalation and loading of unsigned drivers 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-2007-5633?
CVE-2007-5633 is a high-severity 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, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \Device\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR.
Which versions are affected by CVE-2007-5633?
It affects 1 product.
Products include Almico Speedfan.
How do I fix CVE-2007-5633?
No fix has been published for CVE-2007-5633 yet. Limit exposure of the affected software until one is available.
Is CVE-2007-5633 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-5633 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x4vw-hwxw-9rqp.