CVE-2024-23651: BuildKit possible race condition with accessing subpaths from cache mounts
First published: Wed Jan 31 2024(Updated: )
### Impact 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. ### Patches The issue has been fixed in v0.12.5 ### Workarounds Avoid using BuildKit frontend from an untrusted source or building an untrusted Dockerfile containing cache mounts with `--mount=type=cache,source=...` options. ### References https://www.openwall.com/lists/oss-security/2019/05/28/1
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/moby/buildkit | <0.12.5 | 0.12.5 |
| Mobyproject Buildkit | <0.12.5 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-23651?
CVE-2024-23651 is considered a high-severity vulnerability due to the potential for unauthorized access to host system files.
How do I fix CVE-2024-23651?
To fix CVE-2024-23651, upgrade the buildkit package to version 0.12.5 or later.
What type of vulnerability is CVE-2024-23651?
CVE-2024-23651 is a race condition vulnerability that occurs when malicious build steps access shared cache mounts.
What systems are affected by CVE-2024-23651?
CVE-2024-23651 affects installations of the buildkit package prior to version 0.12.5.
Is there a workaround for CVE-2024-23651?
While the recommended solution is to upgrade, a temporary workaround involves avoiding parallel build steps that share the same cache mounts.
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