Microsoft Windows Vista SP2 up to Server 2016 Browser.sys information disclosure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.9 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Microsoft Windows. This affects an unknown function in the library Browser.sys. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2016-7218. The attack can only be executed locally. There is no exploit available. It is suggested to install a patch to address this issue.
Details
A vulnerability was found in Microsoft Windows (Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown functionality in the library Browser.sys. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.
The weakness was shared 11/08/2016 as MS16-135 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2016-7218 since 09/09/2016. The exploitation appears to be easy. An attack has to be approached locally. The successful exploitation needs a single authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 94636 (MS16-135: Security Update for Windows Kernel-Mode Drivers (3199135)), 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 91294 (Microsoft Security Update for Windows Kernel-Mode Drivers (MS16-135)).
Applying the patch MS16-135 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 (94636) and SecurityFocus (BID 94004†). The entries VDB-93407, VDB-93408, VDB-93410 and VDB-93411 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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: 4.0VulDB Meta Temp Score: 3.9
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.7
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
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: 94636
Nessus Name: MS16-135: Security Update for Windows Kernel-Mode Drivers (3199135)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 802730
OpenVAS Name: Microsoft Windows Kernel-Mode Drivers Multiple Vulnerabilities (3199135)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS16-135
Timeline
09/09/2016 🔍11/08/2016 🔍
11/08/2016 🔍
11/08/2016 🔍
11/09/2016 🔍
11/10/2016 🔍
09/30/2022 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS16-135
Status: Confirmed
CVE: CVE-2016-7218 (🔍)
GCVE (CVE): GCVE-0-2016-7218
GCVE (VulDB): GCVE-100-93409
OVAL: 🔍
SecurityFocus: 94004 - Microsoft Windows Kernel 'Bowser.sys' CVE-2016-7218 Information Disclosure Vulnerability
SecurityTracker: 1037251
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 11/09/2016 10:36Updated: 09/30/2022 08:51
Changes: 11/09/2016 10:36 (68), 04/07/2017 13:18 (12), 09/30/2022 08:46 (4), 09/30/2022 08:51 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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