Google Chrome up to 83.0.4103.116 Sandbox HTML Page privileges management

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 (≈)
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CTI Interest Score
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6.2$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Google Chrome. This vulnerability affects unknown code of the component Sandbox. The manipulation as part of HTML Page leads to privileges management. This vulnerability is traded as CVE-2020-6526. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser) and classified as critical. This issue affects some unknown functionality of the component Sandbox. The manipulation as part of a HTML Page leads to a privileges management vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Inappropriate implementation in iframe sandbox in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

The weakness was shared 07/22/2020 (Website). The advisory is shared at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2020-6526 since 01/08/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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). The entries VDB-158893, VDB-158894, VDB-158895 and VDB-158896 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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-2020-6526 (🔍)
GCVE (CVE): GCVE-0-2020-6526
GCVE (VulDB): GCVE-100-158909
See also: 🔍

Entryinfo

Created: 07/23/2020 09:44
Updated: 05/05/2025 07:30
Changes: 07/23/2020 09:44 (42), 07/23/2020 09:49 (18), 10/12/2024 17:15 (19), 05/05/2025 07:30 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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