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Medium 4.5
Podman: buildah: buildah/copier: directory escape via crafted tar symlinks when used outside buildah by non-root callers
A flaw was found in the buildah/copier Go package. When used outside of Buildah by a non-root caller, a crafted tar archive containing malicious symlinks can escape the target extraction directory and create files outside the intended destination. Buildah its…
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Medium 6.3
Buildah: Build breakout using malicious Containerfile and Git Smart HTTP server or GitHub release tar archive
Buildah is a tool that facilitates building OCI images. From 1.38.1 until 1.43.2 and 1.44.0, TempDirForURL in define/types.go does not securely confine Git repository subdirectories to the downloaded build context, and downloadToDirectory and stdinToDirectory…
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Medium 4.7
Buildah: podman: improper input validation in bind-propagation option of dockerfile run --mount instruction
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 exp…
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Medium 5.3
Buildah (as part of Podman) vulnerable to Link Following
A vulnerability was found in buildah. Incorrect following of symlinks while reading .containerignore and .dockerignore results in information disclosure.
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Medium 6.8
Non-empty default inheritable capabilities for linux container in Buildah
A flaw was found in buildah where containers were incorrectly started with non-empty default permissions. A bug was found in Moby (Docker Engine) where containers were incorrectly started with non-empty inheritable Linux process capabilities, enabling an atta…
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Medium 5.5
Buildah processes using chroot isolation may leak environment values to intermediate processes
An information disclosure flaw was found in Buildah, when building containers using chroot isolation. Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from parent and grandparent processes. When run in a co…