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:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Firefox to make
all the necessary changes.