VDB-176428 · CVE-2021-30532 · GCVE-0-2021-30532

Google Chrome prior 91.0.4472.77 Content Security Policy ui layer

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.
6.0	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as critical was found in Google Chrome. Affected is an unknown function of the component Content Security Policy Handler. Executing a manipulation can lead to ui layer. This vulnerability appears as CVE-2021-30532. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome (Web Browser). This vulnerability affects an unknown function of the component Content Security Policy Handler. The manipulation with an unknown input leads to a ui layer vulnerability. The CWE definition for the vulnerability is CWE-1021. The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 06/08/2021. The advisory is shared for download at crbug.com. This vulnerability was named CVE-2021-30532. 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 06/10/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 91.0.4472.77 eliminates this vulnerability. The upgrade is hosted for download at chromereleases.googleblog.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Web Browser

Vendor

Google

Name

Chrome

License

free

Website

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

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Ui layer
CWE: CWE-1021
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 91.0.4472.77

Timelineinfo

04/13/2021 🔍
06/08/2021 +56 days 🔍
06/08/2021 +0 days 🔍
06/10/2021 +2 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: crbug.com
Status: Confirmed

CVE: CVE-2021-30532 (🔍)
GCVE (CVE): GCVE-0-2021-30532
GCVE (VulDB): GCVE-100-176428

Entryinfo

Created: 06/08/2021 07:08
Updated: 06/10/2021 13:24
Changes: 06/08/2021 07:08 (41), 06/10/2021 13:24 (5)
Complete: 🔍
Cache ID: 216::103