Microsoft Edge on Win10 Same Origin Policy 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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5.5$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Microsoft Edge on Win10 and classified as critical. This vulnerability affects unknown code of the component Same Origin Policy. This manipulation causes 7pk security. This vulnerability is handled as CVE-2017-8650. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Edge on Win10 (Web Browser) (the affected version unknown). Affected by this vulnerability is an unknown part of the component Same Origin Policy. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to exploit a security feature bypass due to Microsoft Edge not properly enforcing same-origin policies, aka "Microsoft Edge Security Feature Bypass Vulnerability".

The bug was discovered 08/08/2017. The weakness was released 08/08/2017 as KB4034674 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is known as CVE-2017-8650 since 05/03/2017. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/08/2021). The attack technique deployed by this issue is T1211 according to MITRE ATT&CK. The advisory points out:

A security feature bypass vulnerability exists when Microsoft Edge does not properly enforce same-origin policies, which could allow an attacker to access information from origins outside the current one. In a web-based attack scenario, an attacker could trick a user into loading a webpage with malicious content.

The vulnerability scanner Nessus provides a plugin with the ID 102269 (KB4034674: Windows 10 Version 1703 August 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 91406 (Microsoft Edge Security Update for August 2017).

Applying the patch KB4034674 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 (102269) and SecurityFocus (BID 100048†). Entries connected to this vulnerability are available at VDB-105007, VDB-105009, VDB-105010 and VDB-105012. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

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

Vendor Base Score (Microsoft): 5.4
Vendor Vector (Microsoft): 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
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: 102269
Nessus Name: KB4034674: Windows 10 Version 1703 August 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Windows Multiple Vulnerabilites (KB4034674)
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: KB4034674

Timelineinfo

05/03/2017 🔍
08/08/2017 +97 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/09/2017 +1 days 🔍
01/08/2021 +1248 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB4034674
Researcher: Jun Kokatsu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8650 (🔍)
GCVE (CVE): GCVE-0-2017-8650
GCVE (VulDB): GCVE-100-105031

OVAL: 🔍

SecurityFocus: 100048 - Microsoft Edge CVE-2017-8650 Security Bypass Vulnerability
SecurityTracker: 1039101

See also: 🔍

Entryinfo

Created: 08/09/2017 12:04
Updated: 01/08/2021 07:25
Changes: 08/09/2017 12:04 (89), 11/05/2019 07:44 (5), 01/08/2021 07:20 (2), 01/08/2021 07:25 (1)
Complete: 🔍
Cache ID: 216::103

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