En resumen
- CVE-2026-32320 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a github.com/ellanetworks/core, ella core (ellanetworks).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.19%, mayor que el 8.5% de las vulnerabilidades.
- Solución: actualizar a 1.5.1 o posterior.
Description
Summary
Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service.
Impact
An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required.
Fix
Added length validation on NR algorithm bitstrings before accessing them in the PathSwitchRequest handler.
NVD description
Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. This vulnerability is fixed in 1.5.1.
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