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CVE-2007-3791

Status: ModifiedHigh (7.5)—

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.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Policyd — Policyd

CWEs

References

Raw JSON (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"
            },
            {
              "criteria": "cpe:2.3:a:policyd:policyd:1.72:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D190060A-8F20-4AD8-B6C7-87E54ADDF064"
            },
            {
              "criteria": "cpe:2.3:a:policyd:policyd:1.73:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "43AD5185-0885-43B1-B0DC-C72FF6B187BD"
            },
            {
              "criteria": "cpe:2.3:a:policyd:policyd:1.74:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BF282E97-2E4A-4CA0-92CD-ADE209FAC50A"
            },
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              "vulnerable": true,
              "matchCriteriaId": "80E038C8-930A-4D3D-925B-749292130DC4"
            },
            {
              "criteria": "cpe:2.3:a:policyd:policyd:1.76:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0AAB4496-A3CC-4BF0-A411-D9D3E379526C"
            },
            {
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              "matchCriteriaId": "D116E3AE-DA8B-4FA7-84A0-400E84979CF0"
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            {
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            },
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              "vulnerable": true,
              "matchCriteriaId": "FC2B4A5F-DAF2-4FF1-9258-4C0283DA05C9"
            },
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              "vulnerable": true,
              "matchCriteriaId": "84E8A875-17DF-4AC0-A686-1FFC9FABCC3B"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}