[ASA-202009-6] chromium: multiple issues

[Morten Linderud]

Arch Linux Security Advisory ASA-202009-6
=========================================

Severity: High
Date    : 2020-09-09
CVE-ID  : CVE-2020-6573 CVE-2020-6574 CVE-2020-6575 CVE-2020-6576
          CVE-2020-6579
Package : chromium
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1225

Summary
=======

The package chromium before version 85.0.4183.102-1 is vulnerable to
multiple issues including access restriction bypass and arbitrary code
execution.

Resolution
==========

Upgrade to 85.0.4183.102-1.

# pacman -Syu "chromium>=85.0.4183.102-1"

The problems have been fixed upstream in version 85.0.4183.102.

Workaround
==========

None.

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

- CVE-2020-6573 (arbitrary code execution)

A use after free security issue has been found in the video component
of the chromium browser before 85.0.4183.102.

- CVE-2020-6574 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
installer component of the chromium browser before 85.0.4183.102.

- CVE-2020-6575 (access restriction bypass)

A race security issue has been found in the Mojo component of the
chromium browser before 85.0.4183.102.

- CVE-2020-6576 (arbitrary code execution)

A use after free security issue has been found in the offscreen canvas
component of the chromium browser before 85.0.4183.102.

- CVE-2020-6579 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
networking component of the chromium browser before 85.0.4183.102.

Impact
======

A remote attacker might be able to bypass security measures or execute
arbitrary code.

References
==========

https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop.html
https://crbug.com/1116304
https://crbug.com/1102196
https://crbug.com/1081874
https://crbug.com/1111737
https://crbug.com/1122684
https://security.archlinux.org/CVE-2020-6573
https://security.archlinux.org/CVE-2020-6574
https://security.archlinux.org/CVE-2020-6575
https://security.archlinux.org/CVE-2020-6576
https://security.archlinux.org/CVE-2020-6579
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