USN-2538-1: Firefox vulnerabilities

Ubuntu Security Notice USN-2538-1


22nd March, 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 version:



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


To update your system, please follow these instructions: http://ift.tt/17VXqjU.


After a standard system update you need to restart Firefox to make

all the necessary changes.


References


CVE-2015-0817, CVE-2015-0818






from Ubuntu Security Notices http://ift.tt/1OlMpfv