CVE-2020-15963

critical

Description

Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00087.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00095.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00096.html

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html

https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html

https://crbug.com/1113558

https://lists.fedoraproject.org/archives/list/[email protected]/message/FN7HZIGAOCZKBT4LV363BCPRA5FLY25I/

https://lists.fedoraproject.org/archives/list/[email protected]/message/GNIYFJST4TFJYFZ27VODBOINCLBGULTD/

https://lists.fedoraproject.org/archives/list/[email protected]/message/YWNBJFBPKYCYSZTS54FHNCRZG6KC2AIJ/

https://security.gentoo.org/glsa/202009-13

https://security.gentoo.org/glsa/202101-30

https://www.debian.org/security/2021/dsa-4824

Details

Source: MITRE

Published: 2020-09-21

Updated: 2021-01-29

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 9.6

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

Impact Score: 6

Exploitability Score: 2.8

Severity: CRITICAL