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.
6.0	$0-$5k	0.00

A vulnerability has been found in Google Chrome up to 58 on iOS (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code of the component Bookmark Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Inappropriate implementation in Bookmarks in Google Chrome prior to 59 for iOS allowed a remote attacker who convinced the user to perform certain operations to run JavaScript on chrome:// pages via a crafted bookmark.

The bug was discovered 06/05/2017. The weakness was shared 10/27/2017 by Andrey Kovalev with Qihoo 360 Vulcan Team (Website). It is possible to read the advisory at security.gentoo.org. This vulnerability is known as CVE-2017-5085 since 01/02/2017. 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 $0-$5k at the moment (estimation calculated on 01/05/2023). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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 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 vulnerability database at Tenable (101124). The entries 108663, 108664, 108665 and 108666 are related to this item.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

Version

• 58

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: 6.2
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 6.1
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

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
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

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-2017-5085 (🔍)
OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 10/27/2017 19:52
Updated: 01/05/2023 06:22
Changes: 10/27/2017 19:52 (82), 01/14/2020 16:28 (2), 01/20/2021 21:12 (3), 01/05/2023 06:11 (3), 01/05/2023 06:22 (1)
Complete: 🔍

Discussion

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