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Sicherheit: Preisgabe von Informationen in OpenStack
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in OpenStack
ID: USN-2325-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS
Datum: Fr, 22. August 2014, 08:44
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3517
Applikationen: OpenStack

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2325-1
August 21, 2014

nova vulnerability
==========================================================================

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

- Ubuntu 14.04 LTS

Summary:

OpenStack Nova could be made to expose sensitive information over the
network.

Software Description:
- nova: OpenStack Compute cloud infrastructure

Details:

Alex Gaynor discovered that OpenStack Nova would sometimes respond with
variable times when comparing authentication tokens. If nova were
configured to proxy metadata requests via Neutron, a remote authenticated
attacker could exploit this to conduct timing attacks and ascertain
configuration details of another instance.

Update instructions:

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

Ubuntu 14.04 LTS:
python-nova 1:2014.1.2-0ubuntu1.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2325-1
CVE-2014-3517

Package Information:
https://launchpad.net/ubuntu/+source/nova/1:2014.1.2-0ubuntu1.1





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