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CVE-2007-3791

Estado: ModificadaAlta (7.5)—

Desbordamiento de búfer en la función w_read de sockets.c en Cami Sardinha y Nigel Kukard policyd versiones anteriores a 1.81 para Postfix, permite a atacantes remotos provocar una denegación de servicio y posiblemente ejecutar código de su elección mediante comandos SMTP largos. NOTA: algunos de estos detalles se han obtenido de información de terceros.

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)

Policyd — Policyd

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2007-3791",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-07-15T23:30:00.000",
  "references": [
    {
      "url": "http://osvdb.org/38091",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26021",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26649",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://sourceforge.net/project/shownotes.php?release_id=522366",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://svn.linuxrulz.org/WebSVN/diff.php?repname=Policyd&path=%2Ftrunk%2Fsockets.c&rev=4&sc=0",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://svn.linuxrulz.org/WebSVN/log.php?repname=Policyd&path=%2Fbranches%2Fv1.8x%2Fsockets.c&rev=0&sc=0&isdir=0",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2007/dsa-1361",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/24899",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35394",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/38091",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26021",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26649",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://sourceforge.net/project/shownotes.php?release_id=522366",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://svn.linuxrulz.org/WebSVN/diff.php?repname=Policyd&path=%2Ftrunk%2Fsockets.c&rev=4&sc=0",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://svn.linuxrulz.org/WebSVN/log.php?repname=Policyd&path=%2Fbranches%2Fv1.8x%2Fsockets.c&rev=0&sc=0&isdir=0",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2007/dsa-1361",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/24899",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35394",
      "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 the w_read function in sockets.c in Cami Sardinha and Nigel Kukard policyd before 1.81 for Postfix allows remote attackers to cause a denial of service and possibly execute arbitrary code via long SMTP commands.  NOTE: some of these details are obtained from third party information."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en la función w_read de\r\nsockets.c en Cami Sardinha y Nigel Kukard policyd versiones anteriores a 1.81 para Postfix, permite a atacantes remotos provocar una denegación de servicio y posiblemente ejecutar código de su elección mediante comandos SMTP largos.\r\nNOTA: algunos de estos detalles se han obtenido de información de terceros."
    }
  ],
  "lastModified": "2026-06-16T22:42:44.380",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:policyd:policyd:1.70:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4A5877A7-5C2F-425D-9BEF-8541F65FB3C0"
            },
            {
              "criteria": "cpe:2.3:a:policyd:policyd:1.71:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "76BCC829-48A4-4143-B393-76084B283FE6"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "D190060A-8F20-4AD8-B6C7-87E54ADDF064"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "43AD5185-0885-43B1-B0DC-C72FF6B187BD"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "BF282E97-2E4A-4CA0-92CD-ADE209FAC50A"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "80E038C8-930A-4D3D-925B-749292130DC4"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "0AAB4496-A3CC-4BF0-A411-D9D3E379526C"
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            },
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              "matchCriteriaId": "FC2B4A5F-DAF2-4FF1-9258-4C0283DA05C9"
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              "matchCriteriaId": "84E8A875-17DF-4AC0-A686-1FFC9FABCC3B"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}