Vulnerability CVE-2021-21111
Published: 2021-01-08

Description:
Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Type:

CWE-1021

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Google -> Chrome 

 References:
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html
https://crbug.com/1149125
https://security.gentoo.org/glsa/202101-05
https://www.debian.org/security/2021/dsa-4832
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