Microsoft Windows up to Server 2012 R2 Kernel 7pk security

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

Summaryinfo

A vulnerability identified as problematic has been detected in Microsoft Windows up to Server 2012 R2. This vulnerability affects unknown code of the component Kernel. This manipulation causes 7pk security. This vulnerability is tracked as CVE-2015-2552. The attack is restricted to local execution. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows up to Server 2012 R2 (Operating System) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Kernel. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The kernel in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows physically proximate attackers to bypass the Trusted Boot protection mechanism, and consequently interfere with the integrity of code, BitLocker, Device Encryption, and Device Health Attestation, via a crafted Boot Configuration Data (BCD) setting, aka "Trusted Boot Security Feature Bypass Vulnerability."

The weakness was disclosed 10/13/2015 with Microsoft as MS15-111 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2015-2552 since 03/19/2015. Attacking locally is a requirement. A single authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 86373 (MS15-111: Security Update for Windows Kernel to Address Elevation of Privilege (3096447)), 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 91100 (Microsoft Windows Kernel Elevation of Privilege Vulnerabilities (MS15-111)).

Applying the patch MS15-111 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 (86373), SecurityFocus (BID 77014†), SecurityTracker (ID 1033805†) and Vulnerability Center (SBV-53406†). Additional details are provided at trustwave.com. The entries VDB-78362, VDB-78363, VDB-78364 and VDB-78365 are pretty similar. Be aware that VulDB is the high quality source 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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: 7pk security
CWE: CWE-254
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: 86373
Nessus Name: MS15-111: Security Update for Windows Kernel to Address Elevation of Privilege (3096447)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Privilege Elevation Vulnerabilities (3096447)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS15-111

Timelineinfo

03/19/2015 🔍
10/13/2015 +208 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/14/2015 +1 days 🔍
10/14/2015 +0 days 🔍
06/20/2022 +2441 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-111
Organization: Microsoft
Status: Confirmed

CVE: CVE-2015-2552 (🔍)
GCVE (CVE): GCVE-0-2015-2552
GCVE (VulDB): GCVE-100-78367
SecurityFocus: 77014 - Microsoft Windows Trusted Boot CVE-2015-2552 Local Security Bypass Vulnerability
SecurityTracker: 1033805
Vulnerability Center: 53406 - [MS15-111] Microsoft Windows Local Security Bypass Vulnerability - CVE-2015-2552, Medium

scip Labs: https://www.scip.ch/en/?labs.20161215
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/14/2015 10:34
Updated: 06/20/2022 17:19
Changes: 10/14/2015 10:34 (68), 05/03/2019 08:03 (14), 06/20/2022 17:19 (2)
Complete: 🔍
Cache ID: 216::103

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