[USN-2557-1] Firefox vulnerability
Chris Coulson
chris.coulson at canonical.com
Tue Apr 7 10:17:08 UTC 2015
==========================================================================
Ubuntu Security Notice USN-2557-1
April 07, 2015
firefox vulnerability
==========================================================================
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 bypass SSL certificate verification.
Software Description:
- firefox: Mozilla Open Source web browser
Details:
Muneaki Nishimura discovered a flaw in Mozilla's HTTP Alternative Services
implementation which meant SSL certificate verification could be bypassed
in some circumstances. A remote attacker could potentially exploit this to
conduct a man in the middle attack. (CVE-2015-0799)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.10:
firefox 37.0.1+build1-0ubuntu0.14.10.1
Ubuntu 14.04 LTS:
firefox 37.0.1+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
firefox 37.0.1+build1-0ubuntu0.12.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2557-1
CVE-2015-0799
Package Information:
https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.14.10.1
https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.12.04.1
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