CVE-2007-5633

SpeedFan - 'Speedfan.sys' Local Privilege Escalation

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Speedfan.sys en Alfredo Milani Comparetti SpeedFan 4.33, uando es utilizado sobre Microsoft Windows Vista x64, permite a usuarios locales leer o escribit MSRs de su elección, y ganar privilegios y cargar controladores no asignados, a través de (1) IOCTL_RDMSR 0x9C402438 y (2) IOCTL_WRMSR 0x9C40243C IOCTLs en \Device\speedfan, como se demostró por la acción IOCTL_WRMSR sobre MSR_LSTAR.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2007-10-18 First Exploit
2007-10-23 CVE Reserved
2007-10-23 CVE Published
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (7)

URL	Tag	Source
http://osvdb.org/41842	Vdb Entry
http://secunia.com/advisories/27312	Third Party Advisory
http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1	X_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/37298	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/30681	2007-10-18
http://www.bugtrack.almico.com/view.php?id=987	2024-08-07
http://www.securityfocus.com/bid/26123	2024-08-07

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Almico Search vendor "Almico"	Speedfan Search vendor "Almico" for product "Speedfan"	4.33 Search vendor "Almico" for product "Speedfan" and version "4.33"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Vista Search vendor "Microsoft" for product "Windows Vista"	*	x64	Safe