moby buildkit up to 0.12.4 race condition

Summaryinfo

A vulnerability marked as problematic has been reported in moby buildkit up to 0.12.4. This affects an unknown part. This manipulation causes race condition. The identification of this vulnerability is CVE-2024-23651. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in moby buildkit up to 0.12.4. It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 02/01/2024 as GHSA-m3r6-h7wv-7xxv. The advisory is shared at github.com. This vulnerability is known as CVE-2024-23651 since 01/19/2024. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 235068 (Ubuntu 18.04 LTS : Docker vulnerabilities (USN-7474-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.12.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (235068). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• moby

Name

• buildkit

Version

• 0.12.0
• 0.12.1
• 0.12.2
• 0.12.3
• 0.12.4

Website

• Product: https://github.com/moby/buildkit/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion