CVE-2020-6493

chromium-browser: Use after free in WebAuthentication

Severity Score

9.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Un uso de la memoria previamente liberada en WebAuthentication en Google Chrome versiones anteriores a 83.0.4103.97, permitió a un atacante remoto que había comprometido el proceso del renderizador para potencialmente llevar a cabo un escape del sandbox por medio de una página HTML diseñada

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-08 CVE Reserved
2020-06-03 CVE Published
2024-08-04 CVE Updated
2024-09-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (7)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html	2022-10-14
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html	2022-10-14
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html	2022-10-14
https://security.gentoo.org/glsa/202006-02	2022-10-14
https://www.debian.org/security/2020/dsa-4714	2022-10-14
https://access.redhat.com/security/cve/CVE-2020-6493	2020-06-15
https://bugzilla.redhat.com/show_bug.cgi?id=1844554	2020-06-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 83.0.4103.97 Search vendor "Google" for product "Chrome" and version " < 83.0.4103.97"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Opensuse Search vendor "Opensuse"		Backports Search vendor "Opensuse" for product "Backports"				sle-15 Search vendor "Opensuse" for product "Backports" and version "sle-15"		sp1		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected