Google Chrome up to 49 v8 denial of service

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.
9.6$0-$5k0.00

A vulnerability was found in Google Chrome up to 49 (Web Browser). It has been classified as critical. This affects some unknown functionality of the component v8. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple unspecified vulnerabilities in Google V8 before 4.9.385.26, as used in Google Chrome before 49.0.2623.75, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.

The weakness was published 03/06/2016 (Website). It is possible to read the advisory at googlechromereleases.blogspot.com. This vulnerability is uniquely identified as CVE-2016-2843 since 03/04/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 89685 (Google Chrome < 49.0.2623.75 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196429 (Ubuntu Security Notification for Oxide-qt Vulnerabilities (USN-2920-1)).

Upgrading to version 49.0.2623.75 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. 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 (89685), SecurityFocus (BID 84017†) and Vulnerability Center (SBV-57025†). Similar entries are available at VDB-79206, VDB-81156, VDB-81157 and VDB-81158.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 89685
Nessus Name: Google Chrome < 49.0.2623.75 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801855
OpenVAS Name: Google Chrome Multiple Vulnerabilities Mar16 (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 49.0.2623.75

Timelineinfo

03/01/2016 🔍
03/01/2016 +0 days 🔍
03/03/2016 +2 days 🔍
03/04/2016 +1 days 🔍
03/04/2016 +0 days 🔍
03/05/2016 +0 days 🔍
03/06/2016 +1 days 🔍
03/06/2016 +0 days 🔍
03/06/2016 +0 days 🔍
07/09/2022 +2315 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: USN-2920-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2843 (🔍)
SecurityFocus: 84017 - Google V8 Prior to 4.9.385.26 Multiple Unspecified Security Vulnerabilities
SecurityTracker: 1035185
Vulnerability Center: 57025 - Google Chrome before 49.0.2623.75 Multiple Unspecified Vulnerabilities in V8 Remote DoS or Other Impact - CVE-2016-2843, Critical

See also: 🔍

Entryinfo

Created: 03/06/2016 07:09 PM
Updated: 07/09/2022 10:24 AM
Changes: 03/06/2016 07:09 PM (71), 09/01/2018 08:47 AM (15), 07/09/2022 10:24 AM (4)
Complete: 🔍
Cache ID: 18:032:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!