VDB-126844 · CVE-2018-6061 · RHSA-2018:0484

Google Chrome prior 65.0.3325.146 WebAssembly SharedArrayBuffers race condition

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Google Chrome and classified as critical. This vulnerability affects unknown code of the component WebAssembly. Executing a manipulation as part of SharedArrayBuffers can lead to race condition. The identification of this vulnerability is CVE-2018-6061. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been declared as critical. This vulnerability affects an unknown code of the component WebAssembly. The manipulation as part of a SharedArrayBuffers leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A race in the handling of SharedArrayBuffers in WebAssembly in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The bug was discovered 03/06/2018. The weakness was shared 11/14/2018 by Abdulrahman Alqabandi (lokihardt) with Tencent (Website). The advisory is shared for download at chromereleases.googleblog.com. This vulnerability was named CVE-2018-6061 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. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 107221 (Google Chrome < 65.0.3325.146 Multiple Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370808 (Google Chrome Prior to 65.0.3325.146 Multiple Vulnerabilities).

Upgrading to version 65.0.3325.146 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 (107221) and SecurityFocus (BID 103297†). The entries VDB-126842, VDB-126843, VDB-126845 and VDB-126846 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Web Browser

Vendor

Google

Name

Chrome

License

free

Website

Vendor: https://www.google.com/
Product: https://www.google.com/chrome/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 107221
Nessus Name: Google Chrome < 65.0.3325.146 Multiple Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880848
OpenVAS Name: SuSE Update for Chromium openSUSE-SU-2018:0704-1 (Chromium)
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 65.0.3325.146

Timelineinfo

01/23/2018 🔍
03/06/2018 +42 days 🔍
03/06/2018 +0 days 🔍
03/06/2018 +0 days 🔍
03/08/2018 +2 days 🔍
11/14/2018 +251 days 🔍
11/14/2018 +0 days 🔍
11/15/2018 +1 days 🔍
06/06/2023 +1664 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:0484
Researcher: Abdulrahman Alqabandi (lokihardt)
Organization: Tencent
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6061 (🔍)
GCVE (CVE): GCVE-0-2018-6061
GCVE (VulDB): GCVE-100-126844

OVAL: 🔍

SecurityFocus: 103297 - Google Chrome Prior to 65.0.3325.146 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/15/2018 07:53
Updated: 06/06/2023 14:15
Changes: 11/15/2018 07:53 (77), 04/12/2020 21:49 (7), 06/06/2023 14:15 (4)
Complete: 🔍
Cache ID: 216::103