Microsoft Windows up to Server 2016 COM access control

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows. Affected by this issue is some unknown functionality of the component COM Handler. Performing a manipulation results in access control. This vulnerability is known as CVE-2017-0214. Attacking locally is a requirement. Furthermore, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Windows (Operating System). This affects an unknown functionality of the component COM Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/09/2017. The weakness was published 05/09/2017 by James Forshaw with Google Project Zero as KB4019215 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2017-0214 since 09/09/2016. The exploitability is told to be difficult. An attack has to be approached locally. The successful exploitation needs a authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by Google Security Research in C# and been published 2 weeks after the advisory. The exploit is shared for download at github.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 100054 (Windows Server 2012 May 2017 Security Updates), 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 91369 (Microsoft Windows Security Update May 2017).

Applying the patch KB4019215 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42021), Tenable (100054) and SecurityFocus (BID 98103†). Similar entries are available at VDB-100989, VDB-100999, VDB-101004 and VDB-101007. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.7
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 6.7
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100054
Nessus Name: Windows Server 2012 May 2017 Security Updates
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803007
OpenVAS Name: Microsoft COM Multiple Vulnerabilities (KB4018556)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: KB4019215

Timelineinfo

09/09/2016 🔍
05/09/2017 +242 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/10/2017 +1 days 🔍
05/12/2017 +2 days 🔍
05/17/2017 +5 days 🔍
05/17/2017 +0 days 🔍
12/22/2020 +1315 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: KB4019215
Researcher: James Forshaw
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0214 (🔍)
GCVE (CVE): GCVE-0-2017-0214
GCVE (VulDB): GCVE-100-101025

OVAL: 🔍

SecurityFocus: 98103 - Microsoft Windows COM CVE-2017-0214 Local Privilege Escalation Vulnerability
OSVDB: - CVE-2017-0214 - Microsoft - Windows - Privilege Escalation Issue

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

Entryinfo

Created: 05/10/2017 12:37
Updated: 12/22/2020 20:05
Changes: 05/10/2017 12:37 (96), 09/30/2020 10:31 (8), 12/22/2020 20:05 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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