CVE-2020-6576

chromium-browser: Use after free in offscreen canvas

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 offscreen canvas in Google Chrome prior to 85.0.4183.102 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Un uso de la memoria previamente liberada en offscreen canvas en Google Chrome versiones anteriores a 85.0.4183.102, permitía a un atacante remoto explotar potencialmente una corrupción de la pila por medio de una página HTML diseñada

*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

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
2020-09-10 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 (11)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html	2023-11-07
https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FN7HZIGAOCZKBT4LV363BCPRA5FLY25I	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNIYFJST4TFJYFZ27VODBOINCLBGULTD	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-2020-6576	2020-09-14
https://bugzilla.redhat.com/show_bug.cgi?id=1877094	2020-09-14

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"				< 85.0.4183.102 Search vendor "Google" for product "Chrome" and version " < 85.0.4183.102"		-		Affected
Opensuse Search vendor "Opensuse"		Backports Sle Search vendor "Opensuse" for product "Backports Sle"				15.0 Search vendor "Opensuse" for product "Backports Sle" and version "15.0"		sp1		Affected
Opensuse Search vendor "Opensuse"		Backports Sle Search vendor "Opensuse" for product "Backports Sle"				15.0 Search vendor "Opensuse" for product "Backports Sle" and version "15.0"		sp2		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"				31 Search vendor "Fedoraproject" for product "Fedora" and version "31"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		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
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"		-		Affected