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CVE-2009-4652

Estado: ModificadaBaja (2.6)—

The (1) Conn_GetCipherInfo and (2) Conn_UsesSSL functions in src/ngircd/conn.c in ngIRCd 13 and 14, when SSL/TLS support is present and standalone mode is disabled, allow remote attackers to cause a denial of service (application crash) by sending the MOTD command from another server in the same IRC network, possibly related to an array index error.

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)

Ngircd — Ngircd

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-4652",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2010-02-26T18:30:00.320",
  "references": [
    {
      "url": "http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=blobdiff%3Bf=src/ngircd/conn.c%3Bh=c6095a31c613bc5ca127d55b8723e15b836f1cca%3Bhp=9752a6191c7e2da5b0df64779e9cc28ad1e6241c%3Bhb=627b0b713c52406e50c84bb9459e7794262920a2%3Bhpb=95428a72ffb5214826b61d5e77f860e7ef6a6c9e",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=627b0b713c52406e50c84bb9459e7794262920a2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://ngircd.barton.de/doc/ChangeLog",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://ngircd.barton.de/doc/NEWS",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/37343",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/37021",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/3240",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/54272",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=blobdiff%3Bf=src/ngircd/conn.c%3Bh=c6095a31c613bc5ca127d55b8723e15b836f1cca%3Bhp=9752a6191c7e2da5b0df64779e9cc28ad1e6241c%3Bhb=627b0b713c52406e50c84bb9459e7794262920a2%3Bhpb=95428a72ffb5214826b61d5e77f860e7ef6a6c9e",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=627b0b713c52406e50c84bb9459e7794262920a2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://ngircd.barton.de/doc/ChangeLog",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://ngircd.barton.de/doc/NEWS",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/37343",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/37021",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/3240",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/54272",
      "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 (1) Conn_GetCipherInfo and (2) Conn_UsesSSL functions in src/ngircd/conn.c in ngIRCd 13 and 14, when SSL/TLS support is present and standalone mode is disabled, allow remote attackers to cause a denial of service (application crash) by sending the MOTD command from another server in the same IRC network, possibly related to an array index error."
    },
    {
      "lang": "es",
      "value": "Las funciones (1) Conn_GetCipherInfo y (2) Conn_UsesSSL en src/ngircd/conn.c en ngIRCd 13 y 14, cuando el soporte SSL/TLS está presente y activado el modo \"standalone\", permite a atacantes remotos provocar una denegación de servicio (caída de aplicación) fijando el comando MOTD desde otro servidor en la misma red IRC, posiblemente relativo a un error en la indexación del array."
    }
  ],
  "lastModified": "2026-06-16T23:14:06.143",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ngircd:ngircd:13:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "91E6DDA7-722D-4AA4-8908-5421DEF9BBD4"
            },
            {
              "criteria": "cpe:2.3:a:ngircd:ngircd:14:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FCDDA388-DDD4-4740-B493-A1E6EAA5A58A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}