========================================================================== Ubuntu Security Notice USN-3449-1 October 11, 2017
nova vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS Summary: Several security issues were fixed in OpenStack Nova. Software Description: - nova: OpenStack Compute cloud infrastructure Details: George Shuklin discovered that OpenStack Nova incorrectly handled the migration process. A remote authenticated user could use this issue to consume resources, resulting in a denial of service. (CVE-2015-3241) George Shuklin and Tushar Patil discovered that OpenStack Nova incorrectly handled deleting instances. A remote authenticated user could use this issue to consume disk resources, resulting in a denial of service. (CVE-2015-3280) It was discovered that OpenStack Nova incorrectly limited qemu-img calls. A remote authenticated user could use this issue to consume resources, resulting in a denial of service. (CVE-2015-5162) Matthew Booth discovered that OpenStack Nova incorrectly handled snapshots. A remote authenticated user could use this issue to read arbitrary files. (CVE-2015-7548) Sreekumar S. and Suntao discovered that OpenStack Nova incorrectly applied security group changes. A remote attacker could possibly use this issue to bypass intended restriction changes by leveraging an instance that was running when the change was made. (CVE-2015-7713) Matt Riedemann discovered that OpenStack Nova incorrectly handled logging. A local attacker could possibly use this issue to obtain sensitive information from log files. (CVE-2015-8749) Matthew Booth discovered that OpenStack Nova incorrectly handled certain qcow2 headers. A remote authenticated user could possibly use this issue to read arbitrary files. (CVE-2016-2140) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: python-nova 1:2014.1.5-0ubuntu1.7 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3449-1 CVE-2015-3241, CVE-2015-3280, CVE-2015-5162, CVE-2015-7548, CVE-2015-7713, CVE-2015-8749, CVE-2016-2140 Package Information: https://launchpad.net/ubuntu/+source/nova/1:2014.1.5-0ubuntu1.7
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