Arch Linux Security Advisory ASA-202006-3
=========================================

Severity: High
Date    : 2020-06-06
CVE-ID  : CVE-2020-6493 CVE-2020-6494 CVE-2020-6495 CVE-2020-6496
Package : chromium
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1178

Summary
=======

The package chromium before version 83.0.4103.97-1 is vulnerable to
multiple issues including access restriction bypass, arbitrary code
execution and content spoofing.

Resolution
==========

Upgrade to 83.0.4103.97-1.

# pacman -Syu "chromium>=83.0.4103.97-1"

The problems have been fixed upstream in version 83.0.4103.97.

Workaround
==========

None.

Description
===========

- CVE-2020-6493 (arbitrary code execution)

A use-after-free security issue has been found in the WebAuthentication
component of the chromium browser before 83.0.4103.97.

- CVE-2020-6494 (content spoofing)

An incorrect security UI security issue has been found in the payments
component of the chromium browser before 83.0.4103.97

- CVE-2020-6495 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
developer tools component of the chromium browser before 83.0.4103.97.

- CVE-2020-6496 (arbitrary code execution)

A use-after-free security issue has been found in the payments
component of the chromium browser before 83.0.4103.97.

Impact
======

A remote attacker might be able to spoof content, bypass security
restrictions or validations checks, or execute arbitrary code on the
affected host.

References
==========

https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html
https://crbug.com/1082105
https://crbug.com/1083972
https://crbug.com/1072116
https://crbug.com/1085990
https://security.archlinux.org/CVE-2020-6493
https://security.archlinux.org/CVE-2020-6494
https://security.archlinux.org/CVE-2020-6495
https://security.archlinux.org/CVE-2020-6496