Google Chrome up to 83.0.4103.116 Protocol HTML Page privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been classified as critical. Affected is an unknown function of the component Protocol Handler. This manipulation as part of HTML Page causes privileges management. This vulnerability is registered as CVE-2020-6522. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome (Web Browser). Affected by this vulnerability is an unknown code block of the component Protocol Handler. The manipulation as part of a HTML Page leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Inappropriate implementation in external protocol handlers in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

The weakness was published 07/22/2020 (Website). The advisory is shared at chromereleases.googleblog.com. This vulnerability is known as CVE-2020-6522 since 01/08/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/12/2024). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 208631 (CentOS 6 : chromium-browser (RHSA-2020:3377)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 84.0.4147.89 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208631). Similar entries are available at VDB-158893, VDB-158894, VDB-158895 and VDB-158896. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Privileges management
CWE: CWE-269 / CWE-266
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: 208631
Nessus Name: CentOS 6 : chromium-browser (RHSA-2020:3377)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 84.0.4147.89

Timelineinfo

01/08/2020 🔍
07/22/2020 +196 days 🔍
07/23/2020 +1 days 🔍
05/05/2025 +1747 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Confirmed

CVE: CVE-2020-6522 (🔍)
GCVE (CVE): GCVE-0-2020-6522
GCVE (VulDB): GCVE-100-158905
See also: 🔍

Entryinfo

Created: 07/23/2020 09:43
Updated: 05/05/2025 07:30
Changes: 07/23/2020 09:43 (42), 07/23/2020 09:48 (18), 10/12/2024 17:14 (19), 05/05/2025 07:30 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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