CVE-2017-5936 Affecting nova-lxd package, versions <13.2.0-0ubuntu1.16.04.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-NOVALXD-262352
- published12 Apr 2017
- disclosed12 Apr 2017
Introduced: 12 Apr 2017
CVE-2017-5936 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 nova-lxd to version 13.2.0-0ubuntu1.16.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nova-lxd package and not the nova-lxd package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-5936
- https://bugs.launchpad.net/nova-lxd/+bug/1656847
- https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2
- http://www.openwall.com/lists/oss-security/2017/02/09/3
- http://www.securityfocus.com/bid/96182
- http://www.ubuntu.com/usn/USN-3195-1