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CVE-2007-3728

Estado: ModificadaMedia (5)—

Buffer overflow in lib/silcclient/client_notify.c of SILC Client and SILC Toolkit before 1.1.2 allows remote attackers to cause a denial of service via "NICK_CHANGE" notifications.

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 (2)

Silc — Silc ClientSilc — Silc Toolkit

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2007-3728",
  "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-07-12T17:30:00.000",
  "references": [
    {
      "url": "http://osvdb.org/36730",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/25939",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://silcnet.org/docs/changelog/changes.txt",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/24795",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.silcnet.org/docs/release/SILC%20Toolkit%201.1.2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/2454",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35281",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/36730",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25939",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://silcnet.org/docs/changelog/changes.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/24795",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.silcnet.org/docs/release/SILC%20Toolkit%201.1.2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/2454",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35281",
      "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": "Buffer overflow in lib/silcclient/client_notify.c of SILC Client and SILC Toolkit before 1.1.2 allows remote attackers to cause a denial of service via \"NICK_CHANGE\" notifications."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer lib/silcclient/client_notify.c de SILC Client y SILC Toolkit anterior a 1.1.2 permite a atacantes remotos provocar una denegación de servicio mediante notificaciones \"NICK_CHANGE\" (cambio de apodo)."
    }
  ],
  "lastModified": "2026-06-16T22:42:36.510",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:silc:silc_client:1.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "751D1CAD-DD9C-4B1A-8EE5-4DD3A454C5C9"
            },
            {
              "criteria": "cpe:2.3:a:silc:silc_toolkit:1.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "16798C55-A677-49EE-9B56-7EDE37B3C677"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable.  libsilc was not shipped with Enterprise Linux 2.1 or 3.  This issue did not affect the versions of libsilc as shipped with Red Hat Enterprise Linux 4 or 5.",
      "lastModified": "2007-07-17T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}