Microsoft Windows Vista SP2 up to Server 2012 R2 WebDav access control

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Windows Vista SP2 up to Server 2012 R2. Affected by this issue is some unknown functionality of the component WebDav. The manipulation leads to access control. This vulnerability is listed as CVE-2016-0051. The attack must be carried out locally. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). It has been rated as critical. This issue affects some unknown functionality of the component WebDav. 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 weakness was presented 02/09/2016 by koczkatamas as MS16-016 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2016-0051 since 12/04/2015. An attack has to be approached locally. A simple authentication is required for exploitation. 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 koczkatamas and been published 1 days after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 88648 (MS16-016: Security Update for WebDAV to Address Elevation of Privilege (3136041)), 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 91164 (Microsoft WebDAV Privilege Escalation Vulnerability (MS16-016)).

Applying the patch MS16-016 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 Exploit-DB (39432) and Tenable (88648). See VDB-80887 and VDB-80888 for similar entries. 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: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
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: No

Availability: 🔍
Access: Public
Status: Highly functional
Author: koczkatamas
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88648
Nessus Name: MS16-016: Security Update for WebDAV to Address Elevation of Privilege (3136041)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ms16_016_webdav.rb
MetaSploit Name: MS16-016 mrxdav.sys WebDav Local Privilege Escalation
MetaSploit File: 🔍

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: MS16-016

Timelineinfo

12/04/2015 🔍
02/09/2016 +67 days 🔍
02/09/2016 +0 days 🔍
02/10/2016 +1 days 🔍
02/10/2016 +0 days 🔍
02/10/2016 +0 days 🔍
02/10/2016 +0 days 🔍
11/03/2024 +3189 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-016
Researcher: koczkatamas
Status: Confirmed

CVE: CVE-2016-0051 (🔍)
GCVE (CVE): GCVE-0-2016-0051
GCVE (VulDB): GCVE-100-80873
SecurityFocus: 82682
SecurityTracker: 1034980

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

Entryinfo

Created: 02/10/2016 20:43
Updated: 11/03/2024 21:30
Changes: 02/10/2016 20:43 (49), 04/07/2017 16:00 (31), 07/07/2022 14:26 (4), 07/07/2022 14:27 (2), 06/15/2024 09:58 (15), 11/03/2024 21:30 (2)
Complete: 🔍
Cache ID: 216::103

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

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