CVE-2020-16021

2021-01-0800:00:00

ubuntu.com

cve-2020-16021

image burner

google chrome

chromeos

os-level

privilege escalation

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

48.0%

JSON

Race in image burner in Google Chrome on ChromeOS prior to 87.0.4280.66
allowed a remote attacker who had compromised the browser process to
perform OS-level privilege escalation 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