Microsoft Windows up to Server 2019 Network Connectivity Assistant memory corruption

A vulnerability has been found in Microsoft Windows (Operating System) and classified as critical. This vulnerability affects an unknown code of the component Network Connectivity Assistant. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 09/10/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2019-1287. The attack needs to be approached locally. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/11/2019). The advisory points out:

An elevation of privilege vulnerability exists in the way that the Windows Network Connectivity Assistant handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See 141632, 141631, 141630 and 141629 for similar entries.

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

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

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔒

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption (CWE-119)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

09/10/2019 Advisory disclosed
09/10/2019 +0 days Countermeasure disclosed
09/11/2019 +1 days VulDB entry created
09/11/2019 +0 days VulDB last updateVendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔒

CVE: CVE-2019-1287 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔒

Created: 09/11/2019 03:39 PM
Complete: 🔍

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