CVE-2020-6493 — CRITICAL (9.6)

Q: How severe is CVE-2020-6493?

CVE-2020-6493 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2020-6493?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Debian Debian Linux, Opensuse Backports, Opensuse Leap.

Vulnerability Description

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.

CVSS Score

9.6

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Chrome	< 83.0.4103.97
Debian	Debian Linux	9.0
Opensuse	Backports	sle-15
Opensuse	Leap	15.1

Related Weaknesses (CWE)

CWE-416

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.Vendor Advisory
https://crbug.com/1082105Permissions Required
https://security.gentoo.org/glsa/202006-02Third Party Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.Vendor Advisory
https://crbug.com/1082105Permissions Required
https://security.gentoo.org/glsa/202006-02Third Party Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory

FAQ

What is CVE-2020-6493?

CVE-2020-6493 is a vulnerability with a CVSS score of 9.6 (CRITICAL). 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...

How severe is CVE-2020-6493?

CVE-2020-6493 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-6493?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Debian Debian Linux, Opensuse Backports, Opensuse Leap.