Lack of data validation - Path Traversal In github.com/moby/buildkit
Description
BuildKit vulnerable to possible host system access from mount stub cleaner
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.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 go | 0.12.5 |
Aliases
1. 2. 3. 4. 5.
References
1. 2. 3. 4.