CVE-2024-23651
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.79% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- mobyproject/buildkit
- Source
- security-advisories@github.com
References
- https://github.com/moby/buildkit/pull/4604Patch, Vendor Advisory
- https://github.com/moby/buildkit/releases/tag/v0.12.5Patch, Release Notes
- https://github.com/moby/buildkit/security/advisories/GHSA-m3r6-h7wv-7xxvVendor Advisory
- https://github.com/moby/buildkit/pull/4604Patch, Vendor Advisory
- https://github.com/moby/buildkit/releases/tag/v0.12.5Patch, Release Notes
- https://github.com/moby/buildkit/security/advisories/GHSA-m3r6-h7wv-7xxvVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.