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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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows up to Vista. This impacts an unknown function of the component Kernel Mode Driver. The manipulation leads to use after free. This vulnerability is referenced as CVE-2015-1723. The attack can only be performed from a local environment. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows up to Vista (Operating System). This issue affects an unknown functionality 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. The summary by CVE is:

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 Station Use After Free Vulnerability."

The weakness was published 06/10/2015 by Nils with Google Project Zero as MS15-061 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2015-1723 since 02/17/2015. Attacking locally is a requirement. The successful exploitation needs a simple authentication. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. 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 databases at Tenable (84059), SecurityFocus (BID 75009†), SecurityTracker (ID 1032525†) and Vulnerability Center (SBV-50475†). Similar entries are available at VDB-75751, VDB-75752, VDB-75753 and VDB-75754. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: MS15-061

Timelineinfo

02/17/2015 🔍
06/09/2015 +112 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/10/2015 +1 days 🔍
06/10/2015 +0 days 🔍
06/10/2015 +0 days 🔍
06/10/2015 +0 days 🔍
07/07/2025 +3680 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

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

CVE: CVE-2015-1723 (🔍)
GCVE (CVE): GCVE-0-2015-1723
GCVE (VulDB): GCVE-100-75755

OVAL: 🔍

SecurityFocus: 75009 - Microsoft Windows Station CVE-2015-1723 Local Privilege Escalation Vulnerability
SecurityTracker: 1032525 - Windows Kernel Lets Local Users Obtain Potentially Sensitive Information and Gain Elevated Privileges
Vulnerability Center: 50475 - [MS15-061] Microsoft Windows Local Privilege Escalation in Windows Kernel-Mode Driver - CVE-2015-1723, High

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

Entryinfo

Created: 06/10/2015 10:13
Updated: 07/07/2025 13:52
Changes: 06/10/2015 10:13 (67), 04/19/2017 10:44 (13), 05/20/2022 10:47 (2), 05/20/2022 10:54 (1), 07/07/2025 13:52 (22)
Complete: 🔍
Cache ID: 216::103

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