[manjaro-security] [arch-security] [ASA-201612-1] firefox: multiple issues

Remi Gacogne rgacogne at archlinux.org
Thu Dec 1 16:53:52 CET 2016


Arch Linux Security Advisory ASA-201612-1
=========================================

Severity: Critical
Date    : 2016-12-01
CVE-ID  : CVE-2016-9078 CVE-2016-9079
Package : firefox
Type    : multiple issues
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package firefox before version 50.0.2-1 is vulnerable to multiple
issues including arbitrary code execution and same-origin policy
bypass.

Resolution
==========

Upgrade to 50.0.2-1.

# pacman -Syu "firefox>=50.0.2-1"

The problems have been fixed upstream in version 50.0.2.

Workaround
==========

None.

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

- CVE-2016-9078 (same-origin policy bypass)

Redirection from an HTTP connection to a data: URL assigns the
referring site's origin to the data: URL in some circumstances. This
can result in same-origin violations against a domain if it loads
resources from malicious sites. Cross-origin setting of cookies has
been demonstrated without the ability to read them.

- CVE-2016-9079 (arbitrary code execution)

A use-after-free vulnerability has been discovered in the SVG Animation
component of Firefox, leading to arbitrary code execution.

Impact
======

A remote attacker can bypass the same-origin policy and execute
arbitrary code on the affected host.

References
==========

https://www.mozilla.org/en-US/security/advisories/mfsa2016-91/
https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/
https://access.redhat.com/security/cve/CVE-2016-9078
https://access.redhat.com/security/cve/CVE-2016-9079

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