GHSA-4v98-7qmw-rqr8

ghsaUSosv

BuildKit vulnerable to possible host system access from mount stub cleaner

view advisory published 2024-01-31Licence: CC-BY-4.0

### Impact 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. ### 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 `RUN --mount` feature. ### References

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-23652UScritical9.1Exploit
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…
02

references

External citations — patches, advisories, analysis.

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