« Volver al listado

CVE-2008-4577

Estado: ModificadaAlta (7.5)—

The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

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 (4)

Canonical — Ubuntu LinuxDovecot — DovecotFedoraproject — FedoraOpensuse — Opensuse

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2008-4577",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-10-15T20:08:02.670",
  "references": [
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=240409",
      "tags": [
        "Issue Tracking"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html",
      "tags": [
        "Mailing List"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/32164",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/32471",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/33149",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/33624",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/36904",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200812-16.xml",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.dovecot.org/list/dovecot-news/2008-October/000085.html",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:232",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2009-0205.html",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/31587",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-838-1",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2745",
      "tags": [
        "Permissions Required"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10376",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00816.html",
      "tags": [
        "Mailing List"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00844.html",
      "tags": [
        "Mailing List"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=240409",
      "tags": [
        "Issue Tracking"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/32164",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/32471",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/33149",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/33624",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/36904",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200812-16.xml",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.dovecot.org/list/dovecot-news/2008-October/000085.html",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:232",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2009-0205.html",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/31587",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-838-1",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2745",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10376",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00816.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00844.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions."
    },
    {
      "lang": "es",
      "value": "El plugin ACL en Dovecot anterior a 1.1.4 amenaza los derechos del acceso negativo como si fueran derechos de acceso positivos, lo que permite a atacantes evitar las restricciones de acceso previstas."
    }
  ],
  "lastModified": "2026-06-16T22:58:06.130",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B084417D-FA5E-45DE-AA03-3932D9292B30",
              "versionEndExcluding": "1.1.4"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "72E4DB7F-07C3-46BB-AAA2-05CD0312C57F"
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "743CBBB1-C140-4FEF-B40E-FAE4511B1140"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:10.3-11.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F7018930-D354-4B31-870E-D0E3CE19C8B5"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7EBFE35C-E243-43D1-883D-4398D71763CC"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4747CC68-FAF4-482F-929A-9DA6C24CB663"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A5D026D0-EF78-438D-BEDD-FC8571F3ACEB"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}