Google Chrome up to 84.0.4147.105 Media use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Chrome. Affected is an unknown function of the component Media. The manipulation results in use after free. This vulnerability is reported as CVE-2020-6549. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been classified as critical. Affected is an unknown functionality of the component Media. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Use after free in media in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The weakness was disclosed 08/10/2020 as Stable Channel Update for Desktop - August 2020 (Website). The advisory is shared for download at chromereleases.googleblog.com. The advisory contains:

This update includes 15 security fixes.
This vulnerability is traded as CVE-2020-6549. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 10/14/2024). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 208603 (CentOS 6 : chromium-browser (RHSA-2020:3560)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 84.0.4147.125 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208603). Further details are available at us-cert.cisa.gov. The entries VDB-159965, VDB-159966, VDB-159967 and VDB-159968 are pretty similar. 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: 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: Use after free
CWE: CWE-416 / 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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Nessus ID: 208603
Nessus Name: CentOS 6 : chromium-browser (RHSA-2020:3560)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 84.0.4147.125

Timelineinfo

01/08/2020 🔍
08/10/2020 +215 days 🔍
08/10/2020 +0 days 🔍
08/17/2020 +7 days 🔍
05/05/2025 +1722 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update for Desktop - August 2020
Status: Confirmed

CVE: CVE-2020-6549 (🔍)
GCVE (CVE): GCVE-0-2020-6549
GCVE (VulDB): GCVE-100-159972
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 08/17/2020 21:32
Updated: 05/05/2025 06:13
Changes: 08/17/2020 21:32 (45), 08/17/2020 21:37 (17), 11/10/2020 08:29 (1), 10/14/2024 11:23 (19), 05/05/2025 06:13 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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