Ubuntu alert USN-3898-2 (nss)

From:
             
 
"Leonidas S. Barbosa" <leo.barbosa@canonical.com> 
To:
             
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
             
 
[USN-3898-2] NSS vulnerability 
Date:
             
 
Wed, 27 Feb 2019 15:58:30 -0300
Message-ID:
             
 
<1551293910.22552.10.camel@canonical.com>
==========================================================================
Ubuntu Security Notice USN-3898-2
February 27, 2019

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

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

- Ubuntu 12.04 ESM

Summary:

NSS could be made to crash if it received specially crafted network
traffic.

Software Description:
- nss: Network Security Service library

Details:

USN-3898-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Hanno Böck and Damian Poddebniak discovered that NSS incorrectly
 handled certain CMS functions. A remote attacker could possibly use
 this issue to cause NSS to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
  libnss3                         2:3.28.4-0ubuntu0.12.04.3

After a standard system update you need to restart any applications
that use NSS, such as Evolution, to make all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3898-2
  https://usn.ubuntu.com/usn/usn-3898-1
  CVE-2018-18508-- 
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