Ubuntu Security Notice (C) 2009-2013 Canonical, Inc. / NASL script (C) 2009-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
Moxie Marlinspike discovered that NSS did not properly handle regular
expressions in certificate names. A remote attacker could create a
specially crafted certificate to cause a denial of service (via
application crash) or execute arbitrary code as the user invoking the
Moxie Marlinspike and Dan Kaminsky independently discovered that NSS
did not properly handle certificates with NULL characters in the
certificate name. An attacker could exploit this to perform a man in
the middle attack to view sensitive information or alter encrypted
Dan Kaminsky discovered NSS would still accept certificates with MD2
hash signatures. As a result, an attacker could potentially create a
malicious trusted certificate to impersonate another site.
Update the affected packages.
Risk factor :
High / CVSS Base Score : 9.3
CVSS Temporal Score : 7.7
Public Exploit Available : true