CVE-2007-5633

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Summary

CVECVE-2007-5633
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2007-10-23 17:46:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionSpeedfan.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.

Risk And Classification

Primary CVSS: v2.0 7.2 from [email protected]

AV:L/AC:L/Au:N/C:C/I:C/A:C

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Almico Speedfan 4.33 All All All
Operating System Microsoft Windows Vista All All x64 All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
0000987: Speedfan.sys IOCTL Dispatch Handlers privilege escalation - Almico's Bug Tracker af854a3a-2127-422b-91ae-364da2661108 www.bugtrack.almico.com Exploit
SpeedFan Speedfan.sys Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Exploit
osvdb.org/41842 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
SpeedFan Speedfan.sys Privilege Escalation and Denial of Service - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
401 Unauthorized af854a3a-2127-422b-91ae-364da2661108 www.reversemode.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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