CVE-2021-21187

2021-03-0918:15:17

Debian Security Bug Tracker

security-tracker.debian.org

chrome

url validation

remote attack

domain spoofing

idn homographs

security vulnerability

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.002

Percentile

54.9%

JSON

Insufficient data validation in URL formatting in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

OSVersionArchitecturePackageVersionFilename
Debian12allchromium< 89.0.4389.82-1chromium_89.0.4389.82-1_all.deb
Debian11allchromium< 89.0.4389.82-1chromium_89.0.4389.82-1_all.deb
Debian999allchromium< 89.0.4389.82-1chromium_89.0.4389.82-1_all.deb
Debian13allchromium< 89.0.4389.82-1chromium_89.0.4389.82-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	chromium	< 89.0.4389.82-1	chromium_89.0.4389.82-1_all.deb
Debian	11	all	chromium	< 89.0.4389.82-1	chromium_89.0.4389.82-1_all.deb
Debian	999	all	chromium	< 89.0.4389.82-1	chromium_89.0.4389.82-1_all.deb
Debian	13	all	chromium	< 89.0.4389.82-1	chromium_89.0.4389.82-1_all.deb