Microsoft Windows up to Vista Kernel Mode Driver use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Microsoft Windows up to Vista (Operating System) and classified as problematic. Affected by this issue is an unknown code of the component Kernel Mode Driver. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability 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 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges via a crafted application, aka "Microsoft Windows Kernel Brush Object Use After Free Vulnerability."

The weakness was presented 06/10/2015 by Nils with Google Project Zero as MS15-061 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2015-1726 since 02/17/2015. Local access is required to approach this attack. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 84059 (MS15-061: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057839)), 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 91059 (Microsoft Windows Kernel-Mode Driver Privilege Escalation Vulnerability (MS15-061)).

Applying the patch MS15-061 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 vulnerability database at Tenable (84059). See 75751, 75752, 75753 and 75754 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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CVSSv2info

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Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept
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Nessus ID: 84059
Nessus Name: MS15-061: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057839)
Nessus File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS15-061

Timelineinfo

02/17/2015 🔍
06/09/2015 +112 days 🔍
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06/10/2015 +1 days 🔍
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06/10/2015 +0 days 🔍
05/20/2022 +2536 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-061
Researcher: Nils
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2015-1726 (🔍)
OVAL: 🔍

SecurityTracker: 1032525 - Windows Kernel Lets Local Users Obtain Potentially Sensitive Information and Gain Elevated Privileges
Vulnerability Center: 50478 - [MS15-061] Microsoft Windows Local Privilege Escalation in Windows Kernel-Mode Driver - CVE-2015-1726, High
SecurityFocus: 75012 - Microsoft Windows Kernel Use After Free CVE-2015-1726 Local Privilege Escalation Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20140213
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Entryinfo

Created: 06/10/2015 10:13
Updated: 05/20/2022 11:34
Changes: 06/10/2015 10:13 (67), 04/07/2017 14:27 (13), 05/20/2022 11:27 (2), 05/20/2022 11:34 (1)
Complete: 🔍

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