A hardened base Linux environment with enhanced security features, including essential system packages like BusyBox, Alpine package tools, and Alpine base system components, all configured with security best practices.
Getting Started
To pull the image:
docker pull registry.hardened.eu/library/hardened-base:latest
Verifying Image Signatures
All Hardened B.V. images are signed using cosign. You can verify the signature using the following steps:
Save the public key:
cat >hardened.pub <<EOL
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEbxhUFlXkIIbDzdRAR9rc6kDPNb+k
J48lhqqlOMyiq3jkbKXNj2sEFMduFlNh63MrZA59PKf4TjS1AiCrvaFXNA==
-----END PUBLIC KEY-----
EOL
Verify the image signature:
cosign verify --key hardened.pub registry.hardened.eu/library/hardened-base:latest
The verification will show the signature details and confirm the image’s authenticity.
To verify the SBOM, run the following command:
cosign verify-attestation --type spdxjson --key hardened.pub registry.hardened.eu/library/hardened-base:latest
To download the SBOM, run the same command and decode it:
cosign verify-attestation --type spdxjson --key hardened.pub registry.hardened.eu/library/hardened-base:latest | jq -r .payload | base64 -d | jq -r .predicate > hardened-base-spdx.json
Trademarks
This software is packaged by Hardened B.V. All trademarks are property of their respective owners. Use of these images does not imply any affiliation or endorsement.
The latest tag is only public. Contact us for detailed information.
Hash | Tag | Size (compressed) | Last updated | Actions |
---|---|---|---|---|
sha256:7a70690572c9f... |
latest
x86_64
|
3.92 MB | 14:03:25 19/08/2025 UTC (Calculating...) | |
•••••••••••• | •••••••••••• | •••••••••••• | •••••••••••• | Contact Hardened |
Package | Version | License |
---|---|---|
alpine-base | 3.22.1-r0 | MIT |
alpine-baselayout | 3.7.0-r0 | GPL-2.0-only |
alpine-baselayout-data | 3.7.0-r0 | GPL-2.0-only |
alpine-conf | 3.20.0-r0 | MIT |
alpine-keys | 2.5-r0 | MIT |
alpine-release | 3.22.1-r0 | MIT |
apk-tools | 2.14.9-r2 | GPL-2.0-only |
busybox | 1.37.0-r19 | GPL-2.0-only |
busybox-binsh | 1.37.0-r19 | GPL-2.0-only |
busybox-ifupdown | 1.37.0-r19 | GPL-2.0-only |
busybox-mdev-openrc | 1.37.0-r19 | GPL-2.0-only |
busybox-openrc | 1.37.0-r19 | GPL-2.0-only |
busybox-suid | 1.37.0-r19 | GPL-2.0-only |
ca-certificates-bundle | 20250619-r0 | (MPL-2.0 AND MIT) |
libapk2 | 2.14.9-r2 | GPL-2.0-only |
libcap2 | 2.76-r0 | (BSD-3-Clause OR GPL-2.0-only) |
libcrypto3 | 3.5.2-r0 | Apache-2.0 |
libssl3 | 3.5.2-r0 | Apache-2.0 |
mdev-conf | 4.8-r0 | MIT |
musl | 1.2.5-r10 | MIT |
musl-utils | 1.2.5-r10 | (MIT AND BSD-2-Clause AND GPL-2.0-or-later) |
openrc | 0.62.6-r0 | BSD-2-Clause |
openrc-user | 0.62.6-r0 | BSD-2-Clause |
scanelf | 1.3.8-r1 | GPL-2.0-only |
ssl_client | 1.37.0-r19 | GPL-2.0-only |
zlib | 1.3.1-r2 | Zlib |
The Apache License 2.0 is also a permissive license, similar to the MIT License, but with additional protections related... Show more
The BSD 2-Clause License is a permissive license originating from the Berkeley Software Distribution (BSD). It allows fo... Show more
The GNU General Public License version 2 (GPL-2.0) is a strict copyleft license. If you modify and distribute software l... Show more
The MIT License is a highly permissive open-source license. It allows users to do almost anything with a project, includ... Show more
The zlib License is a permissive license that allows users to use, modify, and distribute the software freely. It's simi... Show more
CVE | Severity | Package | Version | Fixed In | |
---|---|---|---|---|---|
CVE-2024-58251 | Low | busybox | 1.37.0-r19 | Not fixed | |
In netstat in BusyBox through 1.37.0, local users can launch of network application with an argv[0] containing an ANSI terminal escape sequence, leading to a denial of service (terminal locked up) when netstat is used by a victim.
|
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CVE-2025-46394 | Low | busybox | 1.37.0-r19 | Not fixed | |
In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.
|
Image comparison functionality will be implemented in a future release.