Ubuntu 10.04 LTS / 10.10 / 11.04 : nss vulnerability (USN-1197-4)

Ubuntu Security Notice (C) 2011-2013 Canonical, Inc. / NASL script (C) 2011-2013 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

USN-1197-1 and USN-1197-3 addressed an issue in Firefox and Xulrunner
pertaining to the Dutch Certificate Authority DigiNotar mis-issuing
fraudulent certificates. This update provides the corresponding update
for the Network Security Service libraries (NSS).


It was discovered that Dutch Certificate Authority
DigiNotar, had mis-issued multiple fraudulent certificates.
These certificates could allow an attacker to perform a 'man
in the middle' (MITM) attack which would make the user
believe their connection is secure, but is actually being

For the protection of its users, Mozilla has removed the
DigiNotar certificate. Sites using certificates issued by
DigiNotar will need to seek another certificate vendor.

We are currently aware of a regression that blocks one of
two Staat der Nederlanden root certificates which are
believed to still be secure. This regression is being
tracked at https://launchpad.net/bugs/838322.


USN-1197-1 partially addressed an issue with Dutch
Certificate Authority DigiNotar mis-issuing fraudulent
certificates. This update actively distrusts the DigiNotar
root certificate as well as several intermediary
certificates. Also included in this list of distrusted
certificates are the 'PKIOverheid' (PKIGovernment)
intermediates under DigiNotar's control that did not chain
to DigiNotar's root and were not previously blocked.

Solution :

Update the affected libnss3 and / or libnss3-1d packages.

Risk factor :


Family: Ubuntu Local Security Checks

Nessus Plugin ID: 56139 ()

Bugtraq ID: