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Ubuntu Security Notice USN-2866-1
January 08, 2016
firefox vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 15.10
– Ubuntu 15.04
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS
Summary:
Firefox could be made to expose sensitive information over the network.
Software Description:
– firefox: Mozilla Open Source web browser
Details:
Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly
allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were
able to perform a man-in-the-middle attack, this flaw could be exploited to
view sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 15.10:
firefox 43.0.4+build3-0ubuntu0.15.10.1
Ubuntu 15.04:
firefox 43.0.4+build3-0ubuntu0.15.04.1
Ubuntu 14.04 LTS:
firefox 43.0.4+build3-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
firefox 43.0.4+build3-0ubuntu0.12.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2866-1
CVE-2015-7575
Package Information:
https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.15.04.1
https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.12.04.1
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