« Volver al listado

CVE-2011-1925

Estado: ModificadaMedia (5)—

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

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)

Wouter Verhelst — NBD

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2011-1925",
  "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": "2011-05-31T20:55:04.127",
  "references": [
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627042.",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://nbd.git.sourceforge.net/git/gitweb.cgi?p=nbd/nbd%3Ba=commitdiff%3Bh=ebbbe0b3ce5393fa42a259f5e03d549508586aaa",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-201206-35.xml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/05/17/1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/47884",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67502",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627042.",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://nbd.git.sourceforge.net/git/gitweb.cgi?p=nbd/nbd%3Ba=commitdiff%3Bh=ebbbe0b3ce5393fa42a259f5e03d549508586aaa",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-201206-35.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/05/17/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/47884",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67502",
      "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": "nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export."
    },
    {
      "lang": "es",
      "value": "nbd-server.c en Network Block Device (nbd-server) v2.9.21 permite a atacantes remotos provocar una denegación de servicio (desreferencia de puntero NULL y caída), causando un fallo de negociación, como se demuestra especificando un nombre para una exportación inexistente."
    }
  ],
  "lastModified": "2026-06-16T23:30:24.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wouter_verhelst:nbd:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "06699088-70A5-4FEA-B739-DCF8866DB1D5",
              "versionEndIncluding": "2.9.21"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html \r\n'CWE-476: NULL Pointer Dereference'",
  "sourceIdentifier": "secalert@redhat.com"
}