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CVE-2021-21111 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-21111

CVE-2021-21111

CRITICAL9.6

Insufficient policy enforcement in WebUI in Google Chrome prior to 87

Published Jan 8, 2021

Modified 1 years ago

Fix available

Details

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.

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

87.0.4280.141

References

WEB

https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html

WEB

https://crbug.com/1149125

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/

ADVISORY

https://security.gentoo.org/glsa/202101-05

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-21111

ADVISORY

https://www.debian.org/security/2021/dsa-4832

CVSS Analysis

CVSS v3.1

9.6

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.6/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Ecosystems(20)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedJan 8, 2021

ModifiedAug 3, 2024