Subject: [ASA-202107-1] electron12: arbitrary code execution

Arch Linux Security Advisory ASA-202107-1
=========================================

Severity: High
Date    : 2021-07-01
CVE-ID  : CVE-2021-30547 CVE-2021-30553 CVE-2021-30554
Package : electron12
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2112

Summary
=======

The package electron12 before version 12.0.13-1 is vulnerable to
arbitrary code execution.

Resolution
==========

Upgrade to 12.0.13-1.

# pacman -Syu "electron12>=12.0.13-1"

The problems have been fixed upstream in version 12.0.13.

Workaround
==========

None.

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

- CVE-2021-30547 (arbitrary code execution)

An out of bounds write in ANGLE could have allowed an attacker to
corrupt memory leading to a potentially exploitable crash in the
Chromium browser engine before version 91.0.4472.101, Firefox before
version 90 and Thunderbird before version 78.12.

- CVE-2021-30553 (arbitrary code execution)

A use after free security issue has been found in the Network service
component of the Chromium browser before version 91.0.4472.101.

- CVE-2021-30554 (arbitrary code execution)

A use after free security issue has been found in the WebGL component
of the Chromium browser engine before version 91.0.4472.114. Google is
aware that an exploit for CVE-2021-30554 exists in the wild.

Impact
======

A remote attacker could execute arbitrary code through a crafted web
page. Google is aware that an exploit for one of the security issues
exists in the wild.

References
==========

https://github.com/electron/electron/releases/tag/v12.0.13
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html
https://crbug.com/1210414
https://www.mozilla.org/security/advisories/mfsa2021-28/
https://www.mozilla.org/security/advisories/mfsa2021-30/
https://bugzilla.mozilla.org/show_bug.cgi?id=1715766
https://crbug.com/1209769
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.html
https://crbug.com/1219857
https://security.archlinux.org/CVE-2021-30547
https://security.archlinux.org/CVE-2021-30553
https://security.archlinux.org/CVE-2021-30554