CVE-2023-41894
Published: 20 October 2023
Summary
CVE-2023-41894 is a medium-severity Incorrect Resource Transfer Between Spheres (CWE-669) vulnerability in Home-Assistant Home-Assistant. Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 41.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-46373
Vulnerability details
Home assistant is an open source home automation. The assessment verified that webhooks available in the webhook component are triggerable via the `*.ui.nabu.casa` URL without authentication, even when the webhook is marked as Only accessible from the local network. This…
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issue is facilitated by the SniTun proxy, which sets the source address to 127.0.0.1 on all requests sent to the public URL and forwarded to the local Home Assistant. This issue has been addressed in version 2023.9.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Enforces proper authorization rules for any resource or data transfer between different spheres.
Accountability, documentation, and protection requirements ensure correct transfer of media resources between spheres.
Reduces incorrect transfers between spheres by establishing clear, separate domains for different sensitivities or functions.
It governs all resource transfers between spheres, preventing incorrect or unauthorized movement of data or capabilities across domain interfaces.
Addresses incorrect transfer of resources to an uncontrolled sphere by requiring approved destruction or sanitization methods.