CVE-2017-5985 Missing authorization in n/a
Local users with lxc-usernet allocation can create host network interfaces and choose their names due to missing namespace ownership checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5985?
CVE-2017-5985 is a low-severity missing authorization vulnerability in n/a, published on 14 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2017-5985?
It affects 1 product.
Products include Linuxcontainers Lxc.
How do I fix CVE-2017-5985?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-5985 being exploited?
There is no known exploitation of CVE-2017-5985 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-5985, GHSA-wxh2-mqg8-qff6, UBUNTU-CVE-2017-5985, USN-3224-1.