Arch Linux Security Advisory ASA-202003-12
=========================================
Severity: High
Date    : 2020-03-19
CVE-ID  : CVE-2019-20503 CVE-2020-6422 CVE-2020-6424 CVE-2020-6425
          CVE-2020-6426  CVE-2020-6427 CVE-2020-6428 CVE-2020-6429
          CVE-2020-6449
Package : chromium
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1118

Summary
======
The package chromium before version 80.0.3987.149-1 is vulnerable to
multiple issues including access restriction bypass, arbitrary code
execution and information disclosure.

Resolution
=========
Upgrade to 80.0.3987.149-1.

# pacman -Syu "chromium>=80.0.3987.149-1"

The problems have been fixed upstream in version 80.0.3987.149.

Workaround
=========
None.

Description
==========
- CVE-2019-20503 (information disclosure)

An out-of-bounds read has been found in Firefox before 74, Thunderbird
before 68.6 and chromium before 80.0.3987.149. The inputs to
sctp_load_addresses_from_init are verified by
sctp_arethere_unrecognized_parameters; however, the two functions
handled parameter bounds differently, resulting in out of bounds reads
when parameters are partially outside a chunk.

- CVE-2020-6422 (arbitrary code execution)

A use-after-free security issue has been found in the WebGL component
of the chromium browser before 80.0.3987.149.

- CVE-2020-6424 (arbitrary code execution)

A use-after-free security issue has been found in the media component
of the chromium browser before 80.0.3987.149.

- CVE-2020-6425 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
extensions component of the chromium browser before 80.0.3987.149.

- CVE-2020-6426 (access restriction bypass)

An inappropriate implementation security issue has been found in the V8
component of the chromium browser before 80.0.3987.149.

- CVE-2020-6427 (arbitrary code execution)

A use after free security issue has been found in the audio component
of the chromium browser before 80.0.3987.149.

- CVE-2020-6428 (arbitrary code execution)

A use-after-free security issue has been found in the audio component
of the chromium browser before 80.0.3987.149.

- CVE-2020-6429 (arbitrary code execution)

A use-after-free security issue has been found in the audio component
of the chromium browser before 80.0.3987.149.

- CVE-2020-6449 (arbitrary code execution)

A use-after-free security issue has been found in the audio component
of the chromium browser before 80.0.3987.149.

Impact
=====
A remote attacker can access sensitive information, bypass security
measures and possibly execute arbitrary code on the affected host.

References
=========
https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html
https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2019-20503
https://www.mozilla.org/en-US/security/advisories/mfsa2020-10/#CVE-2019-20503
https://bugzilla.mozilla.org/show_bug.cgi?id=1613765
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html
https://security.archlinux.org/CVE-2019-20503
https://security.archlinux.org/CVE-2020-6422
https://security.archlinux.org/CVE-2020-6424
https://security.archlinux.org/CVE-2020-6425
https://security.archlinux.org/CVE-2020-6426
https://security.archlinux.org/CVE-2020-6427
https://security.archlinux.org/CVE-2020-6428
https://security.archlinux.org/CVE-2020-6429
https://security.archlinux.org/CVE-2020-6449