Microsoft Windows Vista/7/8/8.1 on Macrovision SafeDisc secdrv.sys Kernel information disclosure

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.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Vista/7/8/8.1 on Macrovision SafeDisc. It has been classified as problematic. Affected by this vulnerability is an unknown functionality in the library secdrv.sys. This manipulation causes information disclosure (Kernel). The identification of this vulnerability is CVE-2018-7250. The attack can only be executed locally. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Vista/7/8/8.1 on Macrovision SafeDisc (Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown code block in the library secdrv.sys. The manipulation with an unknown input leads to a information disclosure vulnerability (Kernel). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in secdrv.sys as shipped in Microsoft Windows Vista, Windows 7, Windows 8, and Windows 8.1 before KB3086255, and as shipped in Macrovision SafeDisc. An uninitialized kernel pool allocation in IOCTL 0xCA002813 allows a local unprivileged attacker to leak 16 bits of uninitialized kernel PagedPool data.

The bug was discovered 02/27/2018. The weakness was shared 02/26/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-7250 since 02/19/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Applying the patch KB3086255 is able to eliminate this problem.

The entry VDB-113838 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 7
• 8
• 8.1
• Vista

License

• commercial

Support

• end of life (old version)

Website

• Vendor: https://www.microsoft.com/
• Product: https://www.microsoft.com/en-us/windows

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Kernel
Class: Information disclosure / Kernel
CWE: CWE-200 / CWE-284 / CWE-266
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

OpenVAS ID: 65644
OpenVAS Name: Microsoft Windows Information Disclosure and Code Execution Vulnerabilities (KB3086255)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: KB3086255

Timelineinfo

02/19/2018 🔍
02/26/2018 +7 days 🔍
02/26/2018 +0 days 🔍
02/27/2018 +1 days 🔍
02/27/2018 +0 days 🔍
01/08/2020 +680 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: github.com
Status: Not defined

CVE: CVE-2018-7250 (🔍)
GCVE (CVE): GCVE-0-2018-7250
GCVE (VulDB): GCVE-100-113839
scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 02/27/2018 07:44
Updated: 01/08/2020 16:45
Changes: 02/27/2018 07:44 (67), 01/08/2020 16:45 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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