Missing Authorization Affecting lxc package, versions <2.0.7-0ubuntu1~16.04.2
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UBUNTU1604-LXC-385852
- published14 Mar 2017
- disclosed14 Mar 2017
Introduced: 14 Mar 2017
CVE-2017-5985 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 lxc to version 2.0.7-0ubuntu1~16.04.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lxc package and not the lxc package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
lxc-user-nic in Linux Containers (LXC) allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-5985
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1654676
- https://security-tracker.debian.org/tracker/CVE-2017-5985
- https://github.com/lxc/lxc/commit/16af238036a5464ae8f2420ed3af214f0de875f9
- https://lists.linuxcontainers.org/pipermail/lxc-devel/2017-March/015535.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
- http://www.openwall.com/lists/oss-security/2017/03/09/4
- http://www.securityfocus.com/bid/96777
- http://www.ubuntu.com/usn/USN-3224-1