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.
7.4	$0-$5k	0.00

A vulnerability was found in Google Chrome (Web Browser). It has been declared as critical. This vulnerability affects the function ReadableStreams of the component Blink. The manipulation as part of a HTML Page leads to a type conversion vulnerability. The CWE definition for the vulnerability is CWE-704. The product does not correctly convert an object, resource, or structure from one type to a different type. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Type confusion in ReadableStreams in Blink in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to potentially exploit object corruption via a crafted HTML page.

The bug was discovered 05/29/2018. The weakness was published 01/09/2019 by Natalie Silvanovich with Google Project Zero (Website). The advisory is available at debian.org. This vulnerability was named CVE-2018-6124 since 01/23/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/23/2023). 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 1 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 110254 (FreeBSD : chromium -- multiple vulnerabilities (427b0f58-644c-11e8-9e1b-e8e0b747a45a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370974 (Google Chrome Prior to 67.0.3396.62 Multiple Vulnerabilities).

Upgrading to version 67.0.3396.62 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 (110254). Similar entries are available at 119308, 128948, 128949 and 128951.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

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: 7.5
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
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: Type conversion
CWE: CWE-704
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: 110254
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (427b0f58-644c-11e8-9e1b-e8e0b747a45a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 66169
OpenVAS Name: Google Chrome Security Updates(stable-channel-update-for-desktop_29-2018-05)-Windows
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 67.0.3396.62

Timelineinfo

01/23/2018 🔍
05/29/2018 +126 days 🔍
05/29/2018 +0 days 🔍
05/30/2018 +1 days 🔍
05/31/2018 +1 days 🔍
01/09/2019 +223 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
06/23/2023 +1625 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:1815
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6124 (🔍)
OVAL: 🔍

SecurityTracker: 1041014
SecurityFocus: 104309 - Google Chrome Prior to 67.0.3396.62 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/10/2019 21:31
Updated: 06/23/2023 16:53
Changes: 01/10/2019 21:31 (82), 04/28/2020 09:23 (5), 06/23/2023 16:53 (5)
Complete: 🔍

Discussion

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