[USN-2768-1] Firefox vulnerability
Chris Coulson
chris.coulson at canonical.com
Fri Oct 16 09:44:44 UTC 2015
==========================================================================
Ubuntu Security Notice USN-2768-1
October 16, 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 across origins
Software Description:
- firefox: Mozilla Open Source web browser
Details:
Abdulrahman Alqabandi and Ben Kelly discovered that the fetch() API did
not correctly implement the Cross Origin Resource Sharing (CORS)
specification. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to obtain sensitive
information from other origins. (CVE-2015-7184)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 15.04:
firefox 41.0.2+build2-0ubuntu0.15.04.1
Ubuntu 14.04 LTS:
firefox 41.0.2+build2-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
firefox 41.0.2+build2-0ubuntu0.12.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2768-1
CVE-2015-7184
Package Information:
https://launchpad.net/ubuntu/+source/firefox/41.0.2+build2-0ubuntu0.15.04.1
https://launchpad.net/ubuntu/+source/firefox/41.0.2+build2-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/41.0.2+build2-0ubuntu0.12.04.1
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