VDB-114997 · CVE-2018-8994 · GCVE-0-2018-8994

Windows Master 7.99.13.604 Driver WoptiHWDetect.SYS input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Windows Master 7.99.13.604. This vulnerability affects unknown code in the library WoptiHWDetect.SYS of the component Driver. This manipulation causes input validation. This vulnerability is tracked as CVE-2018-8994. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Windows Master 7.99.13.604 and classified as critical. Affected by this vulnerability is an unknown functionality in the library WoptiHWDetect.SYS of the component Driver. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Windows Master (aka Windows Optimization Master) 7.99.13.604, the driver file (WoptiHWDetect.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0xf1002003.

The bug was discovered 03/22/2018. The weakness was disclosed 03/25/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2018-8994 since 03/24/2018. An attack has to be approached locally. The successful exploitation needs a single authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-115000, VDB-114998, VDB-114999 and VDB-114996 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Windows Master

Version

7.99.13.604

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.6
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/22/2018 🔍
03/24/2018 +2 days 🔍
03/24/2018 +0 days 🔍
03/25/2018 +1 days 🔍
03/25/2018 +0 days 🔍
01/16/2020 +662 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-8994 (🔍)
GCVE (CVE): GCVE-0-2018-8994
GCVE (VulDB): GCVE-100-114997
See also: 🔍

Entryinfo

Created: 03/25/2018 10:08
Updated: 01/16/2020 14:41
Changes: 03/25/2018 10:08 (58), 01/16/2020 14:41 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.