Microsoft Windows Vista SP2 up to Server 2012 R2 WPAD data processing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability, which was classified as critical, was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). This affects an unknown part of the component WPAD. The manipulation with an unknown input leads to a remote code execution vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 06/14/2016 as MS16-077 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2016-3236 since 03/15/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

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 91605 (MS16-077: Security Update for WPAD (3165191)), 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 91229 (Microsoft Web Proxy Auto Discovery (WPAD) Elevation of Privilege Vulnerability (MS16-077)).

Applying the patch MS16-077 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 vulnerability database at Tenable (91605). Entries connected to this vulnerability are available at 87950 and 90713.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Remote Code Execution
CWE: CWE-19
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91605
Nessus Name: MS16-077: Security Update for WPAD (3165191)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 65550
OpenVAS Name: Microsoft Web Proxy Auto Discovery (WPAD) Privilege Elevation Vulnerabilities (3165191)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: netbios_spoof_nat.rb
MetaSploit Name: NetBIOS Response BadTunnel Brute Force Spoof (NAT Tunnel)
MetaSploit File: 🔍

Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

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

Patch: MS16-077

Timelineinfoedit

03/15/2016 🔍
06/14/2016 +91 days 🔍
06/14/2016 +0 days 🔍
06/15/2016 +1 days 🔍
06/16/2016 +1 days 🔍
04/07/2017 +295 days 🔍

Sourcesinfoedit

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-077
Status: Confirmed

CVE: CVE-2016-3236 (🔍)
OVAL: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfoedit

Created: 06/16/2016 04:50 PM
Updated: 04/07/2017 01:37 PM
Changes: (9) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned
Complete: 🔍

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