Microsoft Windows up to Server 2016 DNS Server input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows Server 2008 R2 SP1/Server 2008 SP2/Server 2012/Server 2012 R2/Server 2016. This affects an unknown part of the component DNS Server. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2017-0171. The attack can be executed remotely. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows Server 2008 R2 SP1/Server 2008 SP2/Server 2012/Server 2012 R2/Server 2016 (Operating System). This vulnerability affects some unknown functionality of the component DNS Server. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability.

The bug was discovered 05/09/2017. The weakness was released 05/09/2017 as KB4018196 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2017-0171 since 09/09/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/23/2020). The advisory points out:

A denial of service vulnerability exists in Windows DNS Server if the server is configured to answer version queries. An attacker who successfully exploited this vulnerability could cause the DNS Server service to become nonresponsive.

The vulnerability scanner Nessus provides a plugin with the ID 100057 (Windows 8.1 and Windows Server 2012 R2 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 KB4018196 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 Tenable (100057) and SecurityFocus (BID 98097†). Entries connected to this vulnerability are available at VDB-100999, VDB-101004, VDB-101011 and VDB-101021. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

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

Vendor Base Score (Microsoft): 5.3
Vendor Vector (Microsoft): 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100057
Nessus Name: Windows 8.1 and Windows Server 2012 R2 May 2017 Security Updates
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802468
OpenVAS Name: Microsoft Windows DNS Server Denial of Service Vulnerability (KB4018196)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: KB4018196

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 🔍
12/23/2020 +1321 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: KB4018196
Researcher: Bill Cullen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0171 (🔍)
GCVE (CVE): GCVE-0-2017-0171
GCVE (VulDB): GCVE-100-101026

OVAL: 🔍

SecurityFocus: 98097 - Microsoft Windows CVE-2017-0171 Denial of Service Vulnerability
OSVDB: - CVE-2017-0171 - Microsoft - Windows - Denial of Service Issue

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 05/10/2017 12:39
Updated: 12/23/2020 07:04
Changes: 05/10/2017 12:39 (88), 09/25/2020 09:37 (6), 12/23/2020 07:02 (3), 12/23/2020 07:04 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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