Stay Secure with the Latest Linux Advisories

security advisorydenial of servicehigh severity

Ubuntu 12.04 LTS USN-1715-1 High: Keystone Disk Exhaustion Risk

Keystone could be made to fill server disks with error messages.. =========================================================================Ubuntu Security Notice USN-1715-1 February 05, 2013 keystone vulnerability ========================================================================= 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: https://ubuntu.com/security/notices/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 . Critical flaw in Keystone might lead to system resource depletion on Ubuntu servers. Immediate patch needed for fix.. Keystone Vulnerability, Ubuntu Disk Exhaustion, OpenStack Security, Server Update Notifications. . LinuxSecurity.com Team

Feb 05, 2013 Ubuntu