Almico Speedfan 4.33 privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Almico Speedfan 4.33. It has been classified as problematic. Affected is an unknown function. The manipulation leads to privileges management. This vulnerability is documented as CVE-2007-5633. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Almico Speedfan 4.33. It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released 10/23/2007 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2007-5633 since 10/23/2007. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The exploit is available at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370825 (SpeedFan - Speedfan.sys Local Privilege Escalation Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (37298), SecurityFocus (BID 26123†), OSVDB (41842†) and Secunia (SA27312†). Entry connected to this vulnerability is available at VDB-39402. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2007 🔍
10/19/2007 +0 days 🔍
10/19/2007 +0 days 🔍
10/23/2007 +3 days 🔍
10/23/2007 +0 days 🔍
10/23/2007 +0 days 🔍
03/16/2015 +2701 days 🔍
09/10/2018 +1274 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-5633 (🔍)
GCVE (CVE): GCVE-0-2007-5633
GCVE (VulDB): GCVE-100-39401
X-Force: 37298 - Speedfan IOCTL privilege escalation
SecurityFocus: 26123 - SpeedFan Speedfan.sys Local Privilege Escalation Vulnerability
Secunia: 27312 - SpeedFan Speedfan.sys Privilege Escalation and Denial of Service, Less Critical
OSVDB: 41842 - SpeedFan Speedfan.sys Unsigned Driver Load Local Privilege Escalation

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 09/10/2018 08:19
Changes: 03/16/2015 12:18 (57), 09/10/2018 08:19 (9)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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