[ASA-202005-2] chromium: arbitrary code execution

[Remi Gacogne]

Arch Linux Security Advisory ASA-202005-2
=========================================

Severity: High
Date    : 2020-05-06
CVE-ID  : CVE-2020-6464 CVE-2020-6831
Package : chromium
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1149

Summary
=======

The package chromium before version 81.0.4044.138-1 is vulnerable to
arbitrary code execution.

Resolution
==========

Upgrade to 81.0.4044.138-1.

# pacman -Syu "chromium>=81.0.4044.138-1"

The problems have been fixed upstream in version 81.0.4044.138.

Workaround
==========

None.

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

- CVE-2020-6464 (arbitrary code execution)

A type confusion issue has been found in the Blink component of the
chromium browser before 81.0.4044.138.

- CVE-2020-6831 (arbitrary code execution)

A buffer overflow could occur when parsing and validating SCTP chunks
in WebRTC, in Firefox before 76.0 and chromium before 81.0.4044.138.
This could have led to memory corruption and a potentially exploitable
crash.

Impact
======

A remote attacker can execute arbitrary code on the affected host.

References
==========

https://chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop.html
https://crbug.com/1071059
https://bugzilla.mozilla.org/show_bug.cgi?id=1632241
https://crbug.com/1073602
https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-6831
https://security.archlinux.org/CVE-2020-6464
https://security.archlinux.org/CVE-2020-6831

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