Microsoft Windows Vista SP2 up to Server 2012 R2 Kernel-Mode Driver null pointer dereference

CVSS Meta Temp Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Microsoft Windows. The impacted element is an unknown function of the component Kernel-Mode Driver. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2015-0095. The attack is only possible with local access. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows (Operating System). This affects some unknown functionality of the component Kernel-Mode Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 03/10/2015 as MS15-023 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2015-0095 since 11/18/2014. Attacking locally is a requirement. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 81737 (MS15-023: Vulnerabilities in Kernel-Mode Driver Could Allow Elevation of Privilege (3034344)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91028 (Microsoft Windows Kernel-Mode Driver Privilege Escalation Vulnerability (MS15-023)).

Applying the patch MS15-023 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (101139), Tenable (81737), SecurityFocus (BID 72936†), SecurityTracker (ID 1031897†) and Vulnerability Center (SBV-48991†). Entries connected to this vulnerability are available at VDB-73968, VDB-73969 and VDB-73970. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81737
Nessus Name: MS15-023: Vulnerabilities in Kernel-Mode Driver Could Allow Elevation of Privilege (3034344)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Exposure Time: 🔍

Patch: MS15-023

Timelineinfo

11/18/2014 🔍
03/10/2015 +112 days 🔍
03/10/2015 +0 days 🔍
03/10/2015 +0 days 🔍
03/10/2015 +0 days 🔍
03/10/2015 +0 days 🔍
03/11/2015 +1 days 🔍
03/11/2015 +0 days 🔍
03/11/2015 +0 days 🔍
04/15/2022 +2592 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-023
Status: Confirmed

CVE: CVE-2015-0095 (🔍)
GCVE (CVE): GCVE-0-2015-0095
GCVE (VulDB): GCVE-100-73971

OVAL: 🔍

X-Force: 101139 - Microsoft Windows kernel-mode driver information disclosure
SecurityFocus: 72936 - Microsoft Windows Kernel Mode Driver CVE-2015-0095 Local Information Disclosure Vulnerability
SecurityTracker: 1031897 - Windows Kernel-Mode Driver Bugs Let Local Users Obtain Potentially Sensitive Information and Gain Elevated Privileges
Vulnerability Center: 48991 - [MS15-023] Microsoft Windows Local Information Disclosure in Kernel-Mode Driver - CVE-2015-0095, Medium

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 03/11/2015 10:37
Updated: 04/15/2022 09:19
Changes: 03/11/2015 10:37 (70), 08/19/2018 20:04 (10), 04/15/2022 09:15 (3), 04/15/2022 09:19 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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