Buildah: buildah allows arbitrary directory mount

7.8 CVSS

Vulnerability Description

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) into the container as long as those files can be accessed by the user running Buildah.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank Erik Sjölund (Upstream) for reporting this issue.

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Affected Vendor

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Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.13, Red Hat OpenShift Container Platform 4.14, Red Hat OpenShift Container Platform 4.15, Red Hat OpenShift Container Platform 4.16, Red Hat OpenShift Container Platform 4.17, Red Hat OpenShift Container Platform 4.18, OpenShift Developer Tools and Services, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 4, Red Hat Quay 3

Vulnerable Versions:

0, 8100020241023085649.afee755d, 8060020241028154646.3b538bd8, 8080020241025064551.0f77c1b7, 2:1.33.10-1.el9_4, 4:4.9.4-16.el9_4, 4:5.2.2-9.el9_5, 2:1.37.5-1.el9_5, 1:1.26.8-2.el9_0, 2:4.2.0-5.el9_0.2, 1:1.29.4-1.el9_2, 2:4.4.1-21.el9_2, v4.12.0-202503181728.p0.ge355452.assembly.stream.el8, 3:4.4.1-15.rhaos4.13.el8, v4.13.0-202503111300.p0.gb379980.assembly.stream.el8, 3:4.4.1-21.rhaos4.14.el8, v4.14.0-202503060906.p0.gb03f3f5.assembly.stream.el8, 3:4.4.1-32.rhaos4.15.el8, v4.15.0-202503060734.p0.gbc0b789.assembly.stream.el8, 4:4.9.4-12.rhaos4.16.el8, v4.16.0-202503121138.p0.g31c3c26.assembly.stream.el9, 5:5.2.2-1.rhaos4.17.el8, v4.17.0-202503041005.p0.gc3b0999.assembly.stream.el9, v4.18.0-202503040802.p0.g6a5ec2a.assembly.stream.el9