CVE-2024-9407: Input Validation Flaw (CVSS 4.7)

Description

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 exploited to mount sensitive directories from the host into a container during the build process and, in some cases, modify the contents of those mounted files. Even if SELinux is used, this vulnerability can bypass its protection by allowing the source directory to be relabeled to give the container access to host files.

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

References

Other References

https://access.redhat.com/errata/RHSA-2024:10147 https://access.redhat.com/errata/RHSA-2024:8846 https://access.redhat.com/errata/RHSA-2024:9051 https://access.redhat.com/errata/RHSA-2024:9454 https://access.redhat.com/errata/RHSA-2024:9459 https://access.redhat.com/errata/RHSA-2024:9926 https://access.redhat.com/security/cve/CVE-2024-9407 https://bugzilla.redhat.com/show_bug.cgi?id=2315887 https://github.com/advisories/GHSA-fhqq-8f65-5xfc https://security.netapp.com/advisory/ntap-20241220-0010/

Frequently Asked Questions

What is CVE-2024-9407? +

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 exploited to mount sensitive directories from the host into a container during the build process and, in some cases, modify the contents of those mounted files. Even if SELinux is used, this vulnerability can bypass its protection by allowing the source directory to be relabeled to give the container access to host files. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-9407? +

CVE-2024-9407 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-9407? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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