Headline
Gentoo Linux Security Advisory 202407-25
Gentoo Linux Security Advisory 202407-25 - Multiple vulnerabilities have been discovered in Buildah, the worst of which could lead to privilege escalation. Versions greater than or equal to 1.35.3 are affected.
Gentoo Linux Security Advisory GLSA 202407-25
https://security.gentoo.org/
Severity: High
Title: Buildah: Multiple Vulnerabilities
Date: July 10, 2024
Bugs: #923650, #927499, #927502
ID: 202407-25
Synopsis
Multiple vulnerabilities have been discovered in Buildah, the worst of
which could lead to privilege escalation.
Background
Buildah is a tool that facilitates building Open Container Initiative
(OCI) container images
Affected packages
Package Vulnerable Unaffected
app-containers/buildah < 1.35.3 >= 1.35.3
Description
Please review the referenced CVE identifiers for details.
Impact
Please review the referenced CVE identifiers for details.
Workaround
There is no known workaround at this time.
Resolution
All Buildah users should upgrade to the latest version:
emerge --sync
emerge --ask --oneshot --verbose “>=app-containers/buildah-1.35.3”
References
[ 1 ] CVE-2024-1753
https://nvd.nist.gov/vuln/detail/CVE-2024-1753
[ 2 ] CVE-2024-23651
https://nvd.nist.gov/vuln/detail/CVE-2024-23651
[ 3 ] CVE-2024-23652
https://nvd.nist.gov/vuln/detail/CVE-2024-23652
[ 4 ] CVE-2024-23653
https://nvd.nist.gov/vuln/detail/CVE-2024-23653
[ 5 ] CVE-2024-24786
https://nvd.nist.gov/vuln/detail/CVE-2024-24786
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202407-25
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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### Impact A malicious BuildKit frontend or Dockerfile using `RUN --mount` could trick the feature that removes empty files created for the mountpoints into removing a file outside the container, from the host system. ### Patches The issue has been fixed in v0.12.5 ### Workarounds Avoid using BuildKit frontend from an untrusted source or building an untrusted Dockerfile containing `RUN --mount` feature. ### References
### Impact In addition to running containers as build steps, BuildKit also provides APIs for running interactive containers based on built images. It was possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, running such containers is only allowed if special `security.insecure` entitlement is enabled both by buildkitd configuration and allowed by the user initializing the build request. ### Patches The issue has been fixed in v0.12.5 . ### Workarounds Avoid using BuildKit frontends from untrusted sources. A frontend image is usually specified as the `#syntax` line on your Dockerfile, or with `--frontend` flag when using `buildctl build` command. ### References
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