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Ubuntu Security Notice USN-2159-1

Ubuntu Security Notice USN-2159-1
Posted Apr 2, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2159-1 - It was discovered that NSS incorrectly handled wildcard certificates when used with internationalized domain names. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to spoof SSL servers.

tags | advisory, remote, spoof
systems | linux, ubuntu
advisories | CVE-2014-1492
SHA-256 | 59eeaf80e77b5d2da5ea6c9291d43a73f0a90cc51e60b05e5644d1d1cffe0f68

Ubuntu Security Notice USN-2159-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-2159-1
April 02, 2014

nss vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

NSS could be made to expose sensitive information over the network.

Software Description:
- nss: Network Security Service library

Details:

It was discovered that NSS incorrectly handled wildcard certificates when
used with internationalized domain names. If a remote attacker were able to
perform a man-in-the-middle attack, this flaw could be exploited to spoof
SSL servers.

Update instructions:

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

Ubuntu 13.10:
libnss3 2:3.15.4-0ubuntu0.13.10.2

Ubuntu 12.10:
libnss3 3.15.4-0ubuntu0.12.10.2

Ubuntu 12.04 LTS:
libnss3 3.15.4-0ubuntu0.12.04.2

Ubuntu 10.04 LTS:
libnss3-1d 3.15.4-0ubuntu0.10.04.2

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-2159-1
CVE-2014-1492

Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.15.4-0ubuntu0.13.10.2
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.12.10.2
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.12.04.2
https://launchpad.net/ubuntu/+source/nss/3.15.4-0ubuntu0.10.04.2


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