Google Chrome up to 86.0.4240.111 v8 heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been classified as critical. Affected by this issue is some unknown functionality of the component v8. Performing a manipulation results in heap-based overflow. This vulnerability was named CVE-2020-16009. The attack may be initiated remotely. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome (Web Browser). This affects an unknown code block of the component v8. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/03/2020. The advisory is shared at chromereleases.googleblog.com. This vulnerability is uniquely identified as CVE-2020-16009. The exploitability is told to be easy. 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. Technical details are unknown but a public exploit is available.

The exploit is shared for download at packetstormsecurity.com. It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 208572 (CentOS 6 : chromium-browser (RHSA-2020:4974)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 86.0.4240.183 eliminates this vulnerability.

The vulnerability is also documented in the databases at Zero-Day.cz (587) and Tenable (208572). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208572
Nessus Name: CentOS 6 : chromium-browser (RHSA-2020:4974)

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 86.0.4240.183

Timelineinfo

07/27/2020 🔍
11/03/2020 +99 days 🔍
11/03/2020 +0 days 🔍
05/04/2025 +1643 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Confirmed

CVE: CVE-2020-16009 (🔍)
GCVE (CVE): GCVE-0-2020-16009
GCVE (VulDB): GCVE-100-164253
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/03/2020 10:39
Updated: 05/04/2025 18:02
Changes: 11/03/2020 10:39 (39), 12/01/2020 20:50 (2), 12/01/2020 20:57 (18), 04/20/2024 20:47 (27), 06/21/2024 00:47 (3), 07/01/2024 05:19 (2), 07/25/2024 20:16 (1), 09/09/2024 22:29 (1), 10/15/2024 18:33 (2), 01/29/2025 19:02 (11), 05/04/2025 18:02 (3)
Complete: 🔍
Cache ID: 216::103

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