Google Chrome up to 79.0.3945.130 Blink HTML Page CSP input validation

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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5.7$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Chrome. This affects an unknown function of the component Blink. Executing a manipulation as part of HTML Page can lead to input validation (CSP). The identification of this vulnerability is CVE-2020-6394. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome (Web Browser). This vulnerability affects an unknown functionality of the component Blink. The manipulation as part of a HTML Page leads to a input validation vulnerability (CSP). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Insufficient policy enforcement in Blink in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to bypass content security policy via a crafted HTML page.

The weakness was shared 02/11/2020. This vulnerability was named CVE-2020-6394 since 01/08/2020. 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 02/12/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 80.0.3987.87 eliminates this vulnerability.

The entries VDB-150008, VDB-150007, VDB-150006 and VDB-150005 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 5.4
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

Name: CSP
Class: Input validation / CSP
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 80.0.3987.87

Timelineinfo

01/08/2020 🔍
02/11/2020 +34 days 🔍
02/12/2020 +1 days 🔍
05/10/2025 +1914 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2020:0514
Status: Confirmed

CVE: CVE-2020-6394 (🔍)
GCVE (CVE): GCVE-0-2020-6394
GCVE (VulDB): GCVE-100-150004
See also: 🔍

Entryinfo

Created: 02/12/2020 07:46
Updated: 05/10/2025 14:22
Changes: 02/12/2020 07:46 (41), 02/12/2020 07:51 (18), 03/30/2024 10:23 (19), 05/10/2025 14:22 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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