Google Chrome prior 90.0.4430.212 V8 type confusion

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 (≈)
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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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. Affected is an unknown function of the component V8. Performing a manipulation results in type confusion. This vulnerability was named CVE-2021-30513. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome (Web Browser). This affects an unknown functionality of the component V8. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 06/05/2021. The advisory is shared at crbug.com. This vulnerability is uniquely identified as CVE-2021-30513. 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 06/10/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 90.0.4430.212 eliminates this vulnerability. The upgrade is hosted for download at chromereleases.googleblog.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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

Exploitinginfo

Class: Type confusion
CWE: CWE-843
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 90.0.4430.212

Timelineinfo

04/13/2021 🔍
06/05/2021 +53 days 🔍
06/05/2021 +0 days 🔍
06/10/2021 +5 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: crbug.com
Status: Confirmed

CVE: CVE-2021-30513 (🔍)
GCVE (CVE): GCVE-0-2021-30513
GCVE (VulDB): GCVE-100-176373

Entryinfo

Created: 06/05/2021 06:10
Updated: 06/10/2021 08:16
Changes: 06/05/2021 06:10 (41), 06/10/2021 08:16 (5)
Complete: 🔍
Cache ID: 216::103

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