CVE-2024-23652: buildkit Path Traversal — Fix

Description

BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. 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. The issue has been fixed in v0.12.5. Workarounds include avoiding using BuildKit frontends from an untrusted source or building an untrusted Dockerfile containing RUN --mount feature.

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CVSS v3.1 Score

10.0

CRITICAL

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
mobyproject	buildkit	< 0.12.5

References

Advisories & Patches

https://github.com/moby/buildkit/pull/4603 https://github.com/moby/buildkit/releases/tag/v0.12.5 https://github.com/moby/buildkit/security/advisories/GHSA-4v98-7qmw-rqr8 https://github.com/moby/buildkit/pull/4603 https://github.com/moby/buildkit/releases/tag/v0.12.5 https://github.com/moby/buildkit/security/advisories/GHSA-4v98-7qmw-rqr8

Frequently Asked Questions

What is CVE-2024-23652? +

BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. 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. The issue has been fixed in v0.12.5. Workarounds include avoiding using BuildKit frontends from an untrusted source or building an untrusted Dockerfile containing RUN --mount feature. It has a CVSS v3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2024-23652? +

CVE-2024-23652 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-23652? +

CVE-2024-23652 affects products from mobyproject, specifically: buildkit. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23652? +

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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