[manjaro-security] [ASA-201906-19] firefox-developer-edition: arbitrary code execution

[Morten Linderud]

Arch Linux Security Advisory ASA-201906-19
==========================================

Severity: Critical
Date    : 2019-06-19
CVE-ID  : CVE-2019-11707
Package : firefox-developer-edition
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-995

Summary
=======

The package firefox-developer-edition before version 68.0b11-1 is
vulnerable to arbitrary code execution.

Resolution
==========

Upgrade to 68.0b11-1.

# pacman -Syu "firefox-developer-edition>=68.0b11-1"

The problem has been fixed upstream in version 68.0b11.

Workaround
==========

None.

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

A type confusion vulnerability can occur when manipulating JavaScript
objects due to issues in Array.pop, in Firefox before 67.0.3. This can
allow for an exploitable crash. Mozilla has been made aware of targeted
attacks in the wild abusing this flaw.

Impact
======

A remote attacker can execute arbitrary code via crafted Javascript
code.

References
==========

https://www.mozilla.org/en-US/security/advisories/mfsa2019-18
https://www.mozilla.org/en-US/security/advisories/mfsa2019-18/#CVE-2019-11707
https://bugzilla.mozilla.org/show_bug.cgi?id=1544386
https://security.archlinux.org/CVE-2019-11707
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