Google Chrome 49.0 WebAPI access control

CVSS Meta Temp Score
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome 49.0. It has been declared as critical. The affected element is an unknown function of the component WebAPI. Such manipulation leads to access control. This vulnerability is traded as CVE-2016-1638. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome 49.0 (Web Browser). Affected by this issue is some unknown processing of the component WebAPI. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

extensions/renderer/resources/platform_app.js in the Extensions subsystem in Google Chrome before 49.0.2623.75 does not properly restrict use of Web APIs, which allows remote attackers to bypass intended access restrictions via a crafted platform app.

The weakness was shared 03/02/2016 by Mariusz Mlynski (Cloudfuzzer) with OUSPG as Stable Channel Update, March 2016 as confirmed release notes (Website). The advisory is shared for download at googlechromereleases.blogspot.com. This vulnerability is handled as CVE-2016-1638 since 01/12/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. 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 07/09/2022). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 89697 (Debian DSA-3507-1 : chromium-browser - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168634 (OpenSuSE Security Update for Security Chromium (openSUSE-SU-2016:0664-1)).

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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (111220), Tenable (89697), SecurityFocus (BID 84008†) and Vulnerability Center (SBV-56962†). The entries VDB-79206, VDB-81156, VDB-81157 and VDB-81158 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.4

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89697
Nessus Name: Debian DSA-3507-1 : chromium-browser - security update
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: 🔍

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

Upgrade: Chrome 49.0.2623.75

Timelineinfo

01/12/2016 🔍
03/01/2016 +49 days 🔍
03/01/2016 +0 days 🔍
03/02/2016 +0 days 🔍
03/02/2016 +0 days 🔍
03/02/2016 +0 days 🔍
03/04/2016 +1 days 🔍
03/05/2016 +1 days 🔍
03/06/2016 +1 days 🔍
07/09/2022 +2315 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, March 2016
Researcher: Mariusz Mlynski (Cloudfuzzer)
Organization: OUSPG
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1638 (🔍)
GCVE (CVE): GCVE-0-2016-1638
GCVE (VulDB): GCVE-100-81164

OVAL: 🔍

X-Force: 111220 - Google Chrome WebAPI security bypass
SecurityFocus: 84008 - Google Chrome Prior to 49.0.2623.75 Multiple Security Vulnerabilities
SecurityTracker: 1035185
Vulnerability Center: 56962 - Google Chrome <49.0.2623.75 Remote Security Bypass Vulnerability - CVE-2016-1638, Medium

See also: 🔍

Entryinfo

Created: 03/04/2016 11:05
Updated: 07/09/2022 08:03
Changes: 03/04/2016 11:05 (75), 08/31/2018 10:08 (20), 07/09/2022 08:03 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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