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[USN-1763-2] NSPR update

Posted on 14 March 2013
Ubuntu Security

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Ubuntu Security Notice USN-1763-2
March 14, 2013

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

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS

Summary:

NSPR update to work with the new NSS.

Software Description:
- nspr: NetScape Portable Runtime Library

Details:

USN-1763-1 fixed a vulnerability in NSS. This update provides the NSPR
needed to use the new NSS.

Original advisory details:

Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as u=
sed
in NSS was vulnerable to a timing side-channel attack known as the
"Lucky Thirteen" issue. A remote attacker could use this issue to perfor=
m
plaintext-recovery attacks via analysis of timing data.

Update instructions:

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

Ubuntu 12.10:
libnspr4 4.9.5-0ubuntu0.12.10.1

Ubuntu 12.04 LTS:
libnspr4 4.9.5-0ubuntu0.12.04.1

Ubuntu 11.10:
libnspr4 4.9.5-0ubuntu0.11.10.1

Ubuntu 10.04 LTS:
libnspr4-0d 4.9.5-0ubuntu0.10.04.1

After a standard system update you need to restart any applications that
use NSPR, such as Evolution and Chromium, to make all the necessary chang=
es.

References:
http://www.ubuntu.com/usn/usn-1763-2
http://www.ubuntu.com/usn/usn-1763-1
https://launchpad.net/bugs/1155295

Package Information:
https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.12.04.1
https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.11.10.1
https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.10.04.1





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