Ubuntu Security Notice USN-2707-1
7th August, 2015
firefox vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Firefox could be made to expose sensitive information from local files.
Software description
- firefox
– Mozilla Open Source web browser
Details
Cody Crews discovered a way to violate the same-origin policy to inject
script in to a non-privileged part of the PDF viewer. If a user were
tricked in to opening a specially crafted website, an attacker could
exploit this to read sensitive information from local files.
(CVE-2015-4495)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
firefox
39.0.3+build2-0ubuntu0.15.04.1
- Ubuntu 14.04 LTS:
-
firefox
39.0.3+build2-0ubuntu0.14.04.1
- Ubuntu 12.04 LTS:
-
firefox
39.0.3+build2-0ubuntu0.12.04.1
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.