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ubuntucveUbuntu.comUB:CVE-2021-37997
HistoryNov 23, 2021 - 12:00 a.m.

CVE-2021-37997

2021-11-2300:00:00
ubuntu.com
ubuntu.com
12
cve-2021-37997; use-after-free; google chrome; remote attacker; heap corruption; html page; ubuntu 19.10; chromium snap; debian package

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

0.008

Percentile

81.4%

Use after free in Sign-In in Google Chrome prior to 95.0.4638.69 allowed a
remote attacker who convinced a user to sign into Chrome to potentially
exploit heap corruption via a crafted HTML page.

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< 95.0.4638.69-0ubuntu0.18.04.1UNKNOWN

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

0.008

Percentile

81.4%