Google Chrome up to 85.0.4183.102 Extension Policy Validator sandbox

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Google Chrome. The impacted element is an unknown function of the component Extension Policy Validator. Executing a manipulation can lead to sandbox. The identification of this vulnerability is CVE-2020-15961. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been declared as critical. This vulnerability affects some unknown functionality of the component Extension Policy Validator. The manipulation with an unknown input leads to a sandbox vulnerability. The CWE definition for the vulnerability is CWE-265. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

The weakness was shared 09/21/2020 (Website). The advisory is available at chromereleases.googleblog.com. This vulnerability was named CVE-2020-15961 since 07/27/2020. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/13/2024). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1611 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 208612 (CentOS 6 : chromium-browser (RHSA-2020:4206)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 85.0.4183.121 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208612). The entries VDB-161673, VDB-161675, VDB-161676 and VDB-161677 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.6
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Sandbox
CWE: CWE-265 / CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208612
Nessus Name: CentOS 6 : chromium-browser (RHSA-2020:4206)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 85.0.4183.121

Timelineinfo

07/27/2020 🔍
09/21/2020 +56 days 🔍
09/22/2020 +1 days 🔍
05/05/2025 +1686 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Confirmed

CVE: CVE-2020-15961 (🔍)
GCVE (CVE): GCVE-0-2020-15961
GCVE (VulDB): GCVE-100-161674
See also: 🔍

Entryinfo

Created: 09/22/2020 06:45
Updated: 05/05/2025 03:47
Changes: 09/22/2020 06:45 (41), 09/22/2020 06:50 (18), 10/13/2024 10:33 (19), 05/05/2025 03:47 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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