CVE-2018-10856 Podman Elevated Container Privileges
Podman fails to drop capabilities for non-root containers, granting unnecessary privileges that could lead to privilege escalation.
- 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-2018-10856?
CVE-2018-10856 is a medium-severity vulnerability in [UNKNOWN] podman, published on 2 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
It has been discovered that podman before version 0.6.1 does not drop capabilities when executing a container as a non-root user. This results in unnecessary privileges being granted to the container.
Which versions are affected by CVE-2018-10856?
6 open source packages ship an affected version, including github.com/containers/podman, github.com/containers/podman/v2 and github.com/containers/podman/v3. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/containers/podman Go | All versions | 0.6.1 |
github.com/containers/podman Go | All versions | 0.6.1 |
github.com/containers/podman Go | All versions | 0.6.1 |
github.com/containers/podman/v2 Go | All versions | None |
github.com/containers/podman/v3 Go | All versions | None |
github.com/containers/podman/v4 Go | All versions | None |
Linux distribution packages (2)
podman Red Hat:rhel_extras_other:7 | All versions | 0:0.6.1-3.git3e0ff12.el7 |
podman-debuginfo Red Hat:rhel_extras_other:7 | All versions | 0:0.6.1-3.git3e0ff12.el7 |
Products include Libpod Project Libpod.
How do I fix CVE-2018-10856?
Upgrade github.com/containers/podman to 0.6.1 or later.
Is CVE-2018-10856 being exploited?
There is no known exploitation of CVE-2018-10856 in the wild and no public exploit code.
Other vulnerabilities in [UNKNOWN] podman
Sources
Also known as GHSA-wp7w-vx86-vj9h, GO-2023-1962, RHSA-2018:2037.