Security advisory

{
  "id": "5a4af76ee5e4d5749d2e23956043b985c59aa328d2a26497a76f8629946d899f",
  "url": "https://osv.dev/vulnerability/CVE-2019-6964",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-6964",
    "summary": "A heap-based buffer over-read in Service_SetParamStringValue in cosa_x_cisco_com_ddns_dml.c of the RDK RDKB-20181217-1 CcspPandM module may allow attackers with login credentials to achieve information disclosure and code execution by crafting an AJAX call responsible for DDNS configuration with an exactly 64-byte username, password, or domain, for which the buffer size is insufficient for the final '\\0' character. This is related to the CcspCommonLibrary and WebUI modules.",
    "evidence": "osv:CVE-2019-6964",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-6964",
      "aliases": [
        "CVE-2019-6964"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rdkcmf/rdkb-ccsppandm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8a7ae1ac0b29785bae165760e340c245f9d2d5e3"
                },
                {
                  "last_affected": "8a7ae1ac0b29785bae165760e340c245f9d2d5e3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:rdkcentral:rdkb_ccsppandm:rdkb-20181217-1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "rdkb-20181217-1"
                      },
                      {
                        "last_affected": "rdkb-20181217-1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "rdkb-20181217-1",
            "RDKB-20181217-1",
            "RDKB-20181217",
            "RDKB-20181115",
            "RDKB-20181114-1",
            "RDKB-20181114"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6964.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:28.251757446Z",
      "provider": "osv",
      "references": [
        "https://dojo.bullguard.com/dojo-by-bullguard/blog/the-gateway-is-wide-open"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-6964",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432006,
  "published_at": "2019-06-20T14:15:11.22+00:00"
}