Google Chrome up to 80.0.3987.132 Audio HTML Page use after free

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 has been found in Google Chrome and classified as critical. Affected by this issue is some unknown functionality of the component Audio. Performing a manipulation as part of HTML Page results in use after free. This vulnerability was named CVE-2020-6449. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been classified as critical. This affects an unknown part of the component Audio. The manipulation as part of a HTML Page 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. The summary by CVE is:

Use after free in audio in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The weakness was presented 03/23/2020 (Website). It is possible to read the advisory at debian.org. This vulnerability is uniquely identified as CVE-2020-6449 since 01/08/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/24/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 80.0.3987.149 eliminates this vulnerability.

See VDB-152036, VDB-152037, VDB-152038 and VDB-152039 for similar entries. Statistical analysis made it clear that VulDB provides the best quality 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 80.0.3987.149

Timelineinfo

01/08/2020 🔍
03/23/2020 +75 days 🔍
03/24/2020 +1 days 🔍
05/10/2025 +1873 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 172843
Status: Confirmed

CVE: CVE-2020-6449 (🔍)
GCVE (CVE): GCVE-0-2020-6449
GCVE (VulDB): GCVE-100-152043
See also: 🔍

Entryinfo

Created: 03/24/2020 11:04
Updated: 05/10/2025 17:13
Changes: 03/24/2020 11:04 (42), 03/24/2020 11:09 (18), 04/30/2024 20:16 (18), 04/30/2024 20:23 (1), 05/10/2025 17:13 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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