Ubuntu Security Notice 1715-1 - Dan Prince discovered that Keystone did not properly perform input validation when handling certain error conditions. An unauthenticated user could exploit this to cause a denial of service in Keystone API servers via disk space exhaustion.
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Ubuntu Security Notice USN-1715-1
February 05, 2013
keystone vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Summary:
Keystone could be made to fill server disks with error messages.
Software Description:
- keystone: OpenStack identity service
Details:
Dan Prince discovered that Keystone did not properly perform input
validation when handling certain error conditions. An unauthenticated user
could exploit this to cause a denial of service in Keystone API servers via
disk space exhaustion.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
python-keystone 2012.2.1-0ubuntu1.1
Ubuntu 12.04 LTS:
python-keystone 2012.1+stable~20120824-a16a0ab9-0ubuntu2.4
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1715-1
CVE-2013-0247
Package Information:
https://launchpad.net/ubuntu/+source/keystone/2012.2.1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/keystone/2012.1+stable~20120824-a16a0ab9-0ubuntu2.4