==========================================================================
Ubuntu Security Notice USN-2538-1
March 22, 2015

firefox vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 14.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

Firefox could be made to crash or run programs as your login if it
opened a malicious website.

Software Description:
– firefox: Mozilla Open Source web browser

Details:

A flaw was discovered in the implementation of typed array bounds checking
in the Javascript just-in-time compilation. If a user were tricked in to
opening a specially crafted website, an attacked could exploit this to
execute arbitrary code with the privileges of the user invoking Firefox.
(CVE-2015-0817)

Mariusz Mlynski discovered a flaw in the processing of SVG format content
navigation. If a user were tricked in to opening a specially crafted
website, an attacker could exploit this to run arbitrary script in a
privileged context. (CVE-2015-0818)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
firefox 36.0.4+build1-0ubuntu0.14.10.1

Ubuntu 14.04 LTS:
firefox 36.0.4+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
firefox 36.0.4+build1-0ubuntu0.12.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2538-1
CVE-2015-0817, CVE-2015-0818

Package Information:
https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.14.10.1
https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.12.04.1

—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1

iQEcBAEBAgAGBQJVDqSrAAoJEGEfvezVlG4PJXAH/iZV9mrEub2ssvBPvoL6ErJX
uGOYyOXZ9oHmcDgr5h95UxwGnhIoWkx96d8xYeDkK10t5KJ25fF6ZMe1FUrmBfqj
jZa0yfmkqnLZoBxcWbfZ7eQLDjGvQiWJ9+lS0Z5SHfYms/GnK08B66x0B5pXfNxG
mV+Lqo9WezQIBH9QYuxdOCWpD80PQnuM/G/A07jI06BucewogUqbfHqJqS4tRHkQ
NenfQr4/RSNwkKIw/uGrEr34bQpM2yN1fFpLwFHSDleiuP+xDz4BYSttf3hwVcPx
RKS5mvJk59bQhbyTCTSiaJ50zDK6mFAgVS0L6meTaNOf7OsNEixM3vdsj6CU3Ho=
=F5I/
—–END PGP SIGNATURE—–
—