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Red Hat OpenShift: CVE-2024-1753: buildah: full container escape at build time

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Red Hat OpenShift: CVE-2024-1753: buildah: full container escape at build time

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/18/2024
Created
05/10/2024
Added
05/09/2024
Modified
05/17/2024

Description

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 mount source and cause the mount operation to mount the host root filesystem inside the RUN step. The commands inside the RUN step will then have read-write access to the host filesystem, allowing for full container escape at build time.

Solution(s)

  • linuxrpm-upgrade-podman

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