GHSA-M9PM-W3GV-C68F

Vulnerability from github – Published: 2026-03-12 20:33 – Updated: 2026-03-16 16:37
VLAI?
Summary
Ella Core vulnerable to Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload
Details

Summary

Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes.

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 length verification to NAS message handling.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/ellanetworks/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32319"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-12T20:33:22Z",
    "nvd_published_at": "2026-03-13T19:54:42Z",
    "severity": "HIGH"
  },
  "details": "## Summary\n\nElla Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes.\n\n## Impact\n\nAn 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.\n\n## Fix\n\nAdded length verification to NAS message handling.",
  "id": "GHSA-m9pm-w3gv-c68f",
  "modified": "2026-03-16T16:37:38Z",
  "published": "2026-03-12T20:33:22Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ellanetworks/core/security/advisories/GHSA-m9pm-w3gv-c68f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32319"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ellanetworks/core"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ellanetworks/core/releases/tag/v1.5.1"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2026-4692"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Ella Core vulnerable to Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload"
}


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