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Ubuntu Security Notice USN-2864-1
January 07, 2016
nss 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:
NSS could be made to expose sensitive information over the network.
Software Description:
– nss: Network Security Service library
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:
libnss3 2:3.19.2.1-0ubuntu0.15.10.2
Ubuntu 15.04:
libnss3 2:3.19.2.1-0ubuntu0.15.04.2
Ubuntu 14.04 LTS:
libnss3 2:3.19.2.1-0ubuntu0.14.04.2
Ubuntu 12.04 LTS:
libnss3 3.19.2.1-0ubuntu0.12.04.2
After a standard system update you need to restart any applications that
use NSS, such as Evolution and Chromium, to make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2864-1
CVE-2015-7575
Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.19.2.1-0ubuntu0.15.10.2
https://launchpad.net/ubuntu/+source/nss/2:3.19.2.1-0ubuntu0.15.04.2
https://launchpad.net/ubuntu/+source/nss/2:3.19.2.1-0ubuntu0.14.04.2
https://launchpad.net/ubuntu/+source/nss/3.19.2.1-0ubuntu0.12.04.2
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