ellanetworks/core · Security
Ella Core Panics during NAS Authentication Response/Failure with missing IEs
- GHSA ID
- GHSA-55q8-2gwx-29pc
- CVE ID
- CVE-2026-33907
- Severity
- medium
- Published
- Updated
- CVSS
- 6.5 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 6.5 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Summary
Ella Core panics when processing Authentication Response and Authentication Failure NAS message missing IEs.
Impact
An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required.
Fix
Added IE presence verification to NAS message handling.
CWEs
- CWE-476 · NULL Pointer Dereference
References
- https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc ↗
- https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273 ↗
- https://github.com/ellanetworks/core/releases/tag/v1.7.0 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-33907 ↗
- https://github.com/advisories/GHSA-55q8-2gwx-29pc ↗