Microsoft Edge on Win10 AppContainer Sandbox access control

CVSS Meta Temp Score
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CTI Interest Score
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6.0$5k-$25k0.00

A vulnerability was found in Microsoft Edge on Win10 (Web Browser) (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component AppContainer Sandbox. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka "Microsoft Edge Elevation of Privilege Vulnerability." This CVE ID is unique from CVE-2017-0241.

The bug was discovered 05/09/2017. The weakness was published 05/09/2017 with Zero Day Initiative (ZDI) as 4016871 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is known as CVE-2017-0233 since 09/09/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/22/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 100055 (KB4016871: Windows 10 Version 1703 May 2017 Cumulative Update), 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 91370 (Microsoft Edge Security Update for May 2017).

Applying the patch 4016871 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 vulnerability database at Tenable (100055). Similar entries are available at 100988, 100990, 100991 and 100993.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.2
Vendor Vector (Microsoft): 🔍

NVD Base Score: 8.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100055
Nessus Name: KB4016871: Windows 10 Version 1703 May 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800218
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4019474)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: 4016871

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 🔍
12/22/2020 +1320 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 4016871
Researcher: Tencent Security ??? Team Ether working with Trend Micro???s Zero Day Initiative (ZDI)
Organization: Zero Day Initiative (ZDI)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0233 (🔍)
OVAL: 🔍

SecurityFocus: 98179 - Microsoft Edge CVE-2017-0233 Remote Privilege Escalation Vulnerability
OSVDB: - CVE-2017-0233 - Microsoft - Edge - Privilege Escalation Issue

See also: 🔍

Entryinfo

Created: 05/10/2017 12:15
Updated: 12/22/2020 17:40
Changes: 05/10/2017 12:15 (88), 09/25/2020 08:01 (7), 12/22/2020 17:40 (2)
Complete: 🔍
Cache ID: 18:920:103

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