CVE-2024-23652
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability—
ProductMobyproject Buildkit
PublishedJan 31, 2024
First seenJan 31, 2024
Weakness typeCWE-22Path traversal
How to fix
Update
- mobyproject buildkit0.12.5 or later
- github.com/moby/buildkit0.12.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mobyproject buildkit | v < 0.12.5 | 0.12.5 |
| github.com/moby/buildkitGo | v < 0.12.5 | 0.12.5 |
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