Google Chrome up to 80.0.3987.116 Stream HTML Page out-of-bounds write

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome. This impacts an unknown function of the component Stream Handler. This manipulation as part of HTML Page causes out-of-bounds write. The identification of this vulnerability is CVE-2020-6407. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome (Web Browser) and classified as critical. Affected by this vulnerability is some unknown processing of the component Stream Handler. The manipulation as part of a HTML Page leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Out of bounds memory access in streams in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The weakness was shared 02/27/2020. This vulnerability is known as CVE-2020-6407 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 02/28/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 80.0.3987.122 eliminates this vulnerability.

The entries VDB-150708, VDB-150706 and VDB-150707 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: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
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: Out-of-bounds write
CWE: CWE-787 / CWE-119
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 80.0.3987.122

Timelineinfo

01/08/2020 🔍
02/27/2020 +50 days 🔍
02/28/2020 +1 days 🔍
05/10/2025 +1898 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2020:0738
Status: Confirmed

CVE: CVE-2020-6407 (🔍)
GCVE (CVE): GCVE-0-2020-6407
GCVE (VulDB): GCVE-100-150709
See also: 🔍

Entryinfo

Created: 02/28/2020 15:32
Updated: 05/10/2025 16:54
Changes: 02/28/2020 15:32 (40), 02/28/2020 15:37 (18), 04/07/2024 11:40 (19), 05/10/2025 16:54 (6)
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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