{
  "id": "CVE-2015-3218",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2015-10-26T19:59:00.107",
  "lastModified": "2018-07-18T01:29:00.290",
  "vulnStatus": "Modified",
  "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>",
  "descriptions": [
    {
      "lang": "en",
      "value": "The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd daemon crash) by calling RegisterAuthenticationAgent with an invalid object path."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n authentication_agent_new en polkitbackend/polkitbackendinteractiveauthority.c en PolicyKit (tambi\u00e9n conocido como polkit) en versiones anteriores a 0.113 permite a usuarios locales provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda de demonio polkitd) llamando a RegisterAuthenticationAgent con una ruta de objeto no v\u00e1lida."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "0.112",
              "matchCriteriaId": "154D0301-B371-4F38-9DD5-EDBE487A37C8"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.freedesktop.org/archives/polkit-devel/2015-May/000421.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/76086",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1035023",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://usn.ubuntu.com/3717-1/",
      "source": "secalert@redhat.com"
    }
  ]
}