CVE-2024-9407
MEDIUMCVE-2024-9407 is a medium-severity (CVSS 4.7) Improper Input Validation vulnerability in github.com/containers/buildah. O3 Security confirms whether CVE-2024-9407 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Buildah: podman: improper input validation in bind-propagation option of dockerfile run --mount instruction
Blast Radius
github.com/containers/buildah🐹github.com/containers/podman/v5🐹github.com/containers/podman🐹github.com/containers/podman/v2🐹github.com/containers/podman/v3🐹github.com/containers/podman/v4Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.
Description
A vulnerability exists in the bind-propagation option of the Dockerfile RUN --mount instruction. The system does not properly validate the input passed to this option, allowing users to pass arbitrary parameters to the mount instruction. This issue can be exploited to mount sensitive directories from the host into a container during the build process and, in some cases, modify the contents of those mounted files. Even if SELinux is used, this vulnerability can bypass its protection by allowing the source directory to be relabeled to give the container access to host files.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐹Go | github.com/containers/buildah | all versions | 1.37.4 |
| 🐹Go | github.com/containers/podman/v5 | all versions | 5.2.4 |
| 🐹Go | github.com/containers/podman | all versions | 5.2.4 |
| 🐹Go | github.com/containers/podman/v2 | all versions | 5.2.4 |
| 🐹Go | github.com/containers/podman/v3 | all versions | 5.2.4 |
| 🐹Go | github.com/containers/podman/v4 | all versions | 5.2.4 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/containers/buildah. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update github.com/containers/buildah to 1.37.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-9407 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2024-9407 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2024-9407. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2024-9407 in your dependencies?
O3 detects CVE-2024-9407 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.