1. Ubuntu Security Notices
  2. USN-2707-1

USN-2707-1: Firefox vulnerability

Publication date

7 August 2015

Overview

Firefox could be made to expose sensitive information from local files.

Releases

Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
15.04 vivid firefox –  39.0.3+build2-0ubuntu0.15.04.1
14.04 trusty firefox –  39.0.3+build2-0ubuntu0.14.04.1
12.04 precise firefox –  39.0.3+build2-0ubuntu0.12.04.1

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References

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