Microsoft Windows 8.1/10/RT 8.1/Server 2012/Server 2012 R2 CSRSS access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Microsoft Windows 8.1/10/RT 8.1/Server 2012/Server 2012 R2. Affected is an unknown function of the component CSRSS. The manipulation leads to access control. This vulnerability is referenced as CVE-2016-0151. 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. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Details
A vulnerability, which was classified as critical, has been found in Microsoft Windows 8.1/10/RT 8.1/Server 2012/Server 2012 R2 (Operating System). This issue affects some unknown processing of the component CSRSS. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
The Client-Server Run-time Subsystem (CSRSS) in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mismanages process tokens, which allows local users to gain privileges via a crafted application, aka "Windows CSRSS Security Feature Bypass Vulnerability."
The weakness was published 04/12/2016 with Microsoft as MS16-048 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2016-0151 since 12/04/2015. Attacking locally is a requirement. Required for exploitation is a simple authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The exploit is available at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 90441 (MS16-048: Security Update for CSRSS (3148528)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91205 (Microsoft Windows Client/Server Runtime Subsystem (CSRSS) Security Feature Bypass Vulnerability (MS16-048)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/28/2022 with a due date of 04/18/2022:
Apply updates per vendor instructions.Applying the patch MS16-048 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 24121.
The vulnerability is also documented in the databases at Exploit-DB (39740), Tenable (90441), SecurityFocus (BID 85913†) and Vulnerability Center (SBV-58125†). Similar entries are available at VDB-82236, VDB-82234 and VDB-82231. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.6
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 90441
Nessus Name: MS16-048: Security Update for CSRSS (3148528)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows CSRSS Feature Bypass Vulnerability (3148528)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
Exposure Time: 🔍
Patch: MS16-048
TippingPoint: 🔍
Fortigate IPS: 🔍
Timeline
12/04/2015 🔍04/12/2016 🔍
04/12/2016 🔍
04/12/2016 🔍
04/12/2016 🔍
04/12/2016 🔍
04/12/2016 🔍
04/13/2016 🔍
04/13/2016 🔍
11/03/2024 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS16-048
Organization: Microsoft
Status: Confirmed
CVE: CVE-2016-0151 (🔍)
GCVE (CVE): GCVE-0-2016-0151
GCVE (VulDB): GCVE-100-82235
OVAL: 🔍
SecurityFocus: 85913 - Microsoft Windows Client-Server Run-time Subsystem CVE-2016-0151 Local Security Bypass Vulnerability
SecurityTracker: 1035544
Vulnerability Center: 58125 - [MS16-048] Microsoft Windows Local Security Bypass via CSRSS, Medium
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 04/13/2016 10:03 AMUpdated: 11/03/2024 09:39 AM
Changes: 04/13/2016 10:03 AM (75), 02/04/2019 01:04 PM (17), 07/13/2022 11:20 PM (3), 04/25/2024 05:33 AM (28), 07/09/2024 09:26 PM (3), 09/09/2024 10:30 PM (1), 11/03/2024 09:39 AM (2)
Complete: 🔍
Cache ID: 244:FB3:40
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