CyberRota Analysis
AI-GeneratedApptainer versions prior to 1.5.1 are vulnerable due to a flaw in the Image.AuthorizedPath function, which improperly applies string-prefix matching for container path restrictions, allowing local users to execute containers from unauthorized sibling directories when running in setuid mode. This could lead to potential security breaches by enabling access to sensitive data or resources outside the intended allowlist. Organizations using Apptainer in setuid mode should prioritize upgrading to version 1.5.1 to mitigate this risk.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Apptainer is an open source container platform. Prior to version 1.5.1, Image.AuthorizedPath applies plain string-prefix matching to the limit container paths directive in apptainer.conf, so an allowed path such as /data/safe also authorizes a sibling path such as /data/safe-but-unsafe. A local user can consequently run a container from a directory outside the administrator's intended allowlist when Apptainer operates in setuid mode. Installations that do not use setuid mode or do not configure limit container paths are not affected, and unrestricted user namespaces already allow users to run containers of their choice. This issue is fixed in version 1.5.1.