CVE-2024-23651
High
Description
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Two malicious build steps running in parallel sharing the same cache mounts with subpaths could cause a race condition that can lead to files from the host system being accessible to the build container. The issue has been fixed in v0.12.5. Workarounds include, avoiding using BuildKit frontend from an untrusted source or building an untrusted Dockerfile containing cache mounts with --mount=type=cache,source=... options.
SeverityHigh
CVSS8.7
Exploit probability—
ProductMobyproject Buildkit
PublishedJan 31, 2024
First seenJan 31, 2024
Weakness typeCWE-362Race condition
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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