HIGH · 7.2

CVE-2007-5633

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, vi...

Vulnerability 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.

CVSS Score

7.2

HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE

Affected Products

VendorProductVersions
MicrosoftWindows VistaAll versions
AlmicoSpeedfan4.33

References

FAQ

What is CVE-2007-5633?

CVE-2007-5633 is a vulnerability with a CVSS score of 7.2 (HIGH). 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, vi...

How severe is CVE-2007-5633?

CVE-2007-5633 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2007-5633?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Vista, Almico Speedfan.