Google Chrome prior 93.0.4577.82 Selection API use after free

EntryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
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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.
6.0$5k-$25k0.00

A vulnerability, which was classified as critical, was found in Google Chrome (Web Browser). Affected is an unknown functionality of the component Selection API. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-416. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 09/15/2021 by Marcin Towalski. The advisory is available at chromereleases.googleblog.com. This vulnerability is traded as CVE-2021-30625 since 04/13/2021. The exploitability is told to be easy. 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. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/17/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 93.0.4577.82 eliminates this vulnerability.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Bug Bounty Price: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 93.0.4577.82

Timelineinfoedit

04/13/2021 CVE assigned
09/15/2021 +155 days Advisory disclosed
09/15/2021 +0 days VulDB entry created
09/17/2021 +2 days VulDB last update

Sourcesinfoedit

Vendor: https://www.google.com/
Product: https://www.google.com/chrome/

Advisory: chromereleases.googleblog.com
Researcher: Marcin Towalski
Status: Confirmed

CVE: CVE-2021-30625 (🔒)

Entryinfoedit

Created: 09/15/2021 07:32 AM
Updated: 09/17/2021 03:15 PM
Changes: (1) source_cve_assigned
Complete: 🔍

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