CVE-2020-6551

chromium-browser: Use after free in WebXR

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use after free in WebXR in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Un uso de la memoria previamente liberada en WebXR en Google Chrome versiones anteriores a 84.0.4147.125, permitía a un atacante remoto explotar potencialmente una corrupción de la pila por medio de una página HTML diseñada

Chrome suffers from a use-after-free vulnerability in XRSystem::FocusedFrameChanged and FocusController::NotifyFocusChangedObservers.

*Credits: N/A

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

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-08 CVE Reserved
2020-08-12 CVE Published
2024-08-04 CVE Updated
2024-08-28 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free
CWE-787: Out-of-bounds Write

CAPEC

References (8)

URL	Tag	Source
http://packetstormsecurity.com/files/159611/Chrome-XRSystem-FocusedFrameChanged-and-FocusController-NotifyFocusChangedObservers-Use-After-Free.html	Third Party Advisory
https://crbug.com/1107815	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT	2023-11-07
https://security.gentoo.org/glsa/202101-30	2023-11-07
https://www.debian.org/security/2021/dsa-4824	2023-11-07
https://access.redhat.com/security/cve/CVE-2020-6551	2020-08-26
https://bugzilla.redhat.com/show_bug.cgi?id=1867948	2020-08-26

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"				< 84.0.4147.125 Search vendor "Google" for product "Chrome" and version " < 84.0.4147.125"		-		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
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected