CVE-2007-5633 - CVE House
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Status published High CVE-2007-5633

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on...

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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High 7.8
CVE-2007-5634
Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on...
Medium 4.9

Affected Vendor

Affected Software

speedfan
Vulnerable Versions:
4.33

Timeline

Official Publish: October 23rd, 2007
Last Modified: August 7th, 2024
Added to House: July 18th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.