Subject: [ASA-202009-9] chromium: multiple issues

Arch Linux Security Advisory ASA-202009-9
=========================================

Severity: High
Date    : 2020-09-23
CVE-ID  : CVE-2020-15960 CVE-2020-15961 CVE-2020-15962 CVE-2020-15963
          CVE-2020-15964 CVE-2020-15965 CVE-2020-15966
Package : chromium
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1234

Summary
=======

The package chromium before version 85.0.4183.121-1 is vulnerable to
multiple issues including access restriction bypass, arbitrary code
execution, information disclosure and insufficient validation.

Resolution
==========

Upgrade to 85.0.4183.121-1.

# pacman -Syu "chromium>=85.0.4183.121-1"

The problems have been fixed upstream in version 85.0.4183.121.

Workaround
==========

None.

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

- CVE-2020-15960 (information disclosure)

An out of bounds read security issue has been found in the storage
component of the chromium browser before 85.0.4183.121.

- CVE-2020-15961 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
extensions component of the chromium browser before 85.0.4183.121

- CVE-2020-15962 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
serial component of the chromium browser before 85.0.4183.121.

- CVE-2020-15963 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
extensions component of the chromium browser before 85.0.4183.121.

- CVE-2020-15964 (arbitrary code execution)

An out of bounds write security issue has been found in the V8
component of the chromium browser before 85.0.4183.121.

- CVE-2020-15965 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
extensions component of the chromium browser before 85.0.4183.121.

- CVE-2020-15966 (insufficient validation)

An insufficient data validation security issue has been found in the
media component of the chromium browser before 85.0.4183.121.

Impact
======

A remote attacker might be able to bypass security restrictions, access
sensitive information or execute arbitrary code on the affected host.

References
==========

https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html
https://crbug.com/1100136
https://crbug.com/1114636
https://crbug.com/1121836
https://crbug.com/1113558
https://crbug.com/1126249
https://crbug.com/1113565
https://crbug.com/1121414
https://security.archlinux.org/CVE-2020-15960
https://security.archlinux.org/CVE-2020-15961
https://security.archlinux.org/CVE-2020-15962
https://security.archlinux.org/CVE-2020-15963
https://security.archlinux.org/CVE-2020-15964
https://security.archlinux.org/CVE-2020-15965
https://security.archlinux.org/CVE-2020-15966