CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$5k-$25k	0.00

A vulnerability was found in Google Chrome up to 59 (Web Browser) and classified as critical. Affected by this issue is an unknown code block of the component Policy Enforcement. The manipulation with an unknown input leads to a input validation vulnerability (Domain Name). Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, and integrity. CVE summarizes:

Insufficient Policy Enforcement in Omnibox in Google Chrome prior to 59.0.3071.86 for Windows and Mac allowed a remote attacker to perform domain spoofing via IDN homographs in a crafted domain name.

The bug was discovered 06/05/2017. The weakness was published 10/27/2017 by Andrey Kovalev with Qihoo 360 Vulcan Team (Website). The advisory is shared for download at security.gentoo.org. This vulnerability is handled as CVE-2017-5086 since 01/02/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/05/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 101124 (Fedora 25 : 1:chromium-native_client (2017-a66e2c5b62)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236369 (Red Hat Update for chromium-browser (RHSA-2017:1399)).

Upgrading to version 59.0.3071.86 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101124) and SecurityFocus (BID 98861†).

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

Version

• 59

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Domain Name
Class: Input validation / Domain Name
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 101124
Nessus Name: Fedora 25 : 1:chromium-native_client (2017-a66e2c5b62)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for chromium-native_client FEDORA-2017-b8d76bef4e
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 59.0.3071.86

Timelineinfo

01/02/2017 🔍
06/05/2017 +154 days 🔍
06/05/2017 +0 days 🔍
06/29/2017 +24 days 🔍
06/30/2017 +1 days 🔍
10/27/2017 +119 days 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
01/05/2023 +1896 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: FEDORA-2017-a66e2c5b62
Researcher: Andrey Kovalev
Organization: Qihoo 360 Vulcan Team
Status: Not defined

CVE: CVE-2017-5086 (🔍)
OVAL: 🔍

SecurityFocus: 98861 - Google Chrome Prior to 59.0.3071.86 Multiple Security Vulnerabilities
SecurityTracker: 1038622

Entryinfo

Created: 10/27/2017 19:53
Updated: 01/05/2023 06:50
Changes: 10/27/2017 19:53 (82), 12/01/2019 09:31 (2), 01/20/2021 21:16 (3), 01/05/2023 06:37 (3), 01/05/2023 06:50 (1)
Complete: 🔍
Cache ID: 3:CB3:103

Discussion

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