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.
8.6	$5k-$25k	0.00

A vulnerability has been found in Google Chrome up to 54 (Web Browser) and classified as critical. This vulnerability affects an unknown code block of the component v8 Engine. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 11/01/2016 with Tencent Keen Security Lab as confirmed advisory (Website) via ZDI (Zero Day Initiative). The advisory is shared for download at googlechromereleases.blogspot.com. This vulnerability was named CVE-2016-5198 since 05/31/2016. 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 current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/29/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 94661 (Fedora 24 : 1:chromium-native_client / chromium (2016-c671aae490)), 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 276269 (Fedora Security Update for chromium (FEDORA-2016-012de4c97e)).

Upgrading to version 54.0.2840.87 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (94661). Similar entries are available at 94586, 94587, 94588 and 94589.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

Version

• 54

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

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: 94661
Nessus Name: Fedora 24 : 1:chromium-native_client / chromium (2016-c671aae490)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54318
OpenVAS Name: Fedora Update for chromium FEDORA-2016-c671aae490
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 54.0.2840.87

Timelineinfo

05/31/2016 🔍
11/01/2016 +154 days 🔍
11/01/2016 +0 days 🔍
11/04/2016 +3 days 🔍
11/06/2016 +2 days 🔍
11/09/2016 +3 days 🔍
11/10/2016 +1 days 🔍
01/19/2017 +70 days 🔍
09/29/2022 +2079 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: FEDORA-2016-c671aae490
Organization: Tencent Keen Security Lab
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5198 (🔍)
OVAL: 🔍

SecurityTracker: 1037224
SecurityFocus: 94079 - Google V8 CVE-2016-5198 Unspecified Security Vulnerability

See also: 🔍

Entryinfo

Created: 11/06/2016 10:09 AM
Updated: 09/29/2022 01:46 PM
Changes: 11/06/2016 10:09 AM (78), 05/26/2019 12:02 PM (12), 09/29/2022 01:40 PM (5), 09/29/2022 01:46 PM (1)
Complete: 🔍

Discussion

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