CVE-2020-16020

2021-01-0800:00:00

ubuntu.com

cve-2020-16020

inappropriate implementation

cryptohome

google chromeos

discretionary access control

remote attacker

browser process

malicious file.

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

43.8%

JSON

Inappropriate implementation in cryptohome in Google Chrome on ChromeOS
prior to 87.0.4280.66 allowed a remote attacker who had compromised the
browser process to bypass discretionary access control via a malicious
file.

Notes

Author	Note
alexmurray	The Debian chromium source package is called chromium-browser in Ubuntu
mdeslaur	starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchchromium-browser< 87.0.4280.66-0ubuntu0.18.04.1UNKNOWN
ubuntu16.04noarchchromium-browser< 87.0.4280.66-0ubuntu0.16.04.1UNKNOWN