Microsoft Windows Vista SP2 up to Server 2012 Kernel-Mode Driver win32k.sys access control

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft Windows Vista SP2 up to Server 2012. Affected by this vulnerability is an unknown functionality in the library win32k.sys of the component Kernel-Mode Driver. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2015-2363. The attack needs to be launched locally. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows Vista SP2 up to Server 2012 (Operating System) and classified as critical. This vulnerability affects an unknown part in the library win32k.sys of the component Kernel-Mode Driver. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012, and Windows RT allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

The weakness was published 07/14/2015 as MS15-073 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability was named CVE-2015-2363 since 03/19/2015. Local access is required to approach this attack. A single authentication is necessary for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 84747 (MS15-073: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (3070102)), 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 91065 (Microsoft Windows Kernel-Mode Driver Elevation of Privilege Vulnerabilities (MS15-073)).

Applying the patch MS15-073 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com.

The vulnerability is also documented in the databases at Tenable (84747), SecurityFocus (BID 75650†) and Vulnerability Center (SBV-51211†). Similar entries are available at VDB-76452, VDB-76453, VDB-76454 and VDB-76468. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84747
Nessus Name: MS15-073: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (3070102)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS15-073

Timelineinfo

03/19/2015 🔍
07/14/2015 +117 days 🔍
07/14/2015 +0 days 🔍
07/14/2015 +0 days 🔍
07/15/2015 +1 days 🔍
07/15/2015 +0 days 🔍
05/31/2022 +2512 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-073
Status: Confirmed

CVE: CVE-2015-2363 (🔍)
GCVE (CVE): GCVE-0-2015-2363
GCVE (VulDB): GCVE-100-76450

OVAL: 🔍

SecurityFocus: 75650
SecurityTracker: 1032904
Vulnerability Center: 51211 - [MS15-073] Microsoft Windows Local Privilege Escalation in win32k.sys Kernel-Mode Drivers - CVE-2015-2363, High

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

Entryinfo

Created: 07/15/2015 12:40
Updated: 05/31/2022 12:12
Changes: 07/15/2015 12:40 (63), 04/07/2017 14:24 (7), 05/31/2022 12:05 (2), 05/31/2022 12:12 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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