12 results · Feed
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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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High 8.6
Podman: buildah: container breakout by using --jobs=2 and a race condition when building a malicious containerfile
A vulnerability was found in `podman build` and `buildah.` This issue occurs in a container breakout by using --jobs=2 and a race condition when building a malicious Containerfile. SELinux might mitigate it, but even with SELinux on, it still allows the enume…
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High 7.8
Buildah: buildah allows arbitrary directory mount
A vulnerability was found in Buildah. Cache mounts do not properly validate that user-specified paths for the cache are within our cache directory, allowing a `RUN` instruction in a Container file to mount an arbitrary directory from the host (read/write) int…
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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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High 8.6
Buildah: buildah: container escape via improper bind mount validation
A flaw was found in Buildah (and subsequently Podman Build) which allows containers to mount arbitrary locations on the host filesystem into build containers. A malicious Containerfile can use a dummy image with a symbolic link to the root filesystem as a mou…
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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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Low 3.3
Buildah (as part of Podman) vulnerable to Path Traversal
A flaw was found in Buildah. The local path and the lowest subdirectory may be disclosed due to incorrect absolute path traversal, resulting in an impact to confidentiality.
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High 7.1
Buildah's incorrect handling of the supplementary groups may lead to data disclosure, modification
An incorrect handling of the supplementary groups in the Buildah container engine might lead to the sensitive information disclosure or possible data modification if an attacker has direct access to the affected container where supplementary groups are used t…
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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…
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High 8.8
Path Traversal in Buildah
A path traversal flaw was found in Buildah in versions before 1.14.5. This flaw allows an attacker to trick a user into building a malicious container image hosted on an HTTP(s) server and then write files to the user's system anywhere that the user has permi…