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CVE-2013-0250

Estado: ModificadaMedia (5)—

The init_nss_hash function in exec/totemcrypto.c in Corosync 2.0 before 2.3 does not properly initialize the HMAC key, which allows remote attackers to cause a denial of service (crash) via a crafted packet.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Corosync — Corosync

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2013-0250",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-06-06T14:55:03.837",
  "references": [
    {
      "url": "http://seclists.org/oss-sec/2013/q1/212",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/213",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/214",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/52037",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/corosync/corosync/commit/b3f456a8ceefac6e9f2e9acc2ea0c159d412b595",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/212",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/213",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/214",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/52037",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/corosync/corosync/commit/b3f456a8ceefac6e9f2e9acc2ea0c159d412b595",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The init_nss_hash function in exec/totemcrypto.c in Corosync 2.0 before 2.3 does not properly initialize the HMAC key, which allows remote attackers to cause a denial of service (crash) via a crafted packet."
    },
    {
      "lang": "es",
      "value": "La función init_nss_hash en exec/totemcrypto.c en Corosync 2.0 anterior a 2.3 no inicializa debidamente la clave HMAC, lo que permite a atacantes remotos causar una denegación de servicio (caída) a través de un paquete manipulado."
    }
  ],
  "lastModified": "2026-06-16T23:49:03.310",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1A4C7B7D-B867-4C44-A69B-33416963FC8A"
            },
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3C35467E-767B-4E37-969A-A5C90291ABB3"
            },
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "744A653A-BD3D-49C1-94B2-D1C2A7226993"
            },
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "12BCD2CB-C926-476B-AE95-4CA973258746"
            },
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "61262BFE-ED90-4A5B-947F-E34E2E258252"
            },
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "81E5A2B0-8364-4891-BAF2-0EEB6F640B3C"
            },
            {
              "criteria": "cpe:2.3:a:corosync:corosync:2.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D31DD511-22D3-43CF-9CD5-6D6A649A1791"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/665.html\n\n\"CWE-665: Improper Initialization\"",
  "sourceIdentifier": "secalert@redhat.com"
}