Microsoft Windows Vista SP2 up to Server 2012 R2 SAM/LSAD Badlock 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 R2 and classified as critical. Affected by this issue is some unknown functionality of the component SAM/LSAD Handler. Such manipulation leads to 7pk security (Badlock). This vulnerability is documented as CVE-2016-0128. The attack requires being on the local network. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). Affected by this issue is an unknown code of the component SAM/LSAD Handler. The manipulation with an unknown input leads to a 7pk security vulnerability (Badlock). Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The SAM and LSAD protocol implementations in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 do not properly establish an RPC channel, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "Windows SAM and LSAD Downgrade Vulnerability" or "BADLOCK."

The weakness was released 04/12/2016 as MS16-047 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2016-0128 since 12/04/2015. The attack needs to be initiated within the local network. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1211 by the MITRE ATT&CK project.

As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 90510 (MS16-047: Security Update for SAM and LSAD Remote Protocols (3148527) (Badlock) (uncredentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91199 (Microsoft Windows Security Update for SAM and LSAD Remote Protocols (MS16-047) (BADLOCK)).

Applying the patch MS16-047 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 24260.

The vulnerability is also documented in the databases at Tenable (90510), SecurityFocus (BID 85906†) and Vulnerability Center (SBV-58121†). Entries connected to this vulnerability are available at VDB-82230, VDB-82227, VDB-82223 and VDB-82222. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: Badlock
Class: 7pk security / Badlock
CWE: CWE-254
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: 90510
Nessus Name: MS16-047: Security Update for SAM and LSAD Remote Protocols (3148527) (Badlock) (uncredentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows SAM and LSAD Privilege Elevation Vulnerability (3148527)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS16-047
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

12/04/2015 🔍
04/12/2016 +130 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
04/13/2016 +0 days 🔍
01/11/2025 +3195 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-047
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-0128 (🔍)
GCVE (CVE): GCVE-0-2016-0128
GCVE (VulDB): GCVE-100-82226

OVAL: 🔍

CERT: 🔍
SecurityFocus: 85906
SecurityTracker: 1035534
Vulnerability Center: 58121 - [MS16-047] Microsoft Windows Remote MITM Vulnerability in the SAM and LSAD Protocols, Medium

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

Entryinfo

Created: 04/13/2016 10:02
Updated: 01/11/2025 17:07
Changes: 04/13/2016 10:02 (61), 04/07/2017 13:46 (24), 07/13/2022 20:45 (3), 07/13/2022 20:53 (1), 11/03/2024 13:42 (16), 01/11/2025 17:07 (1)
Complete: 🔍
Cache ID: 216:485:103

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

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