{
  "id": "CVE-2007-4996",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2007-10-01T20:17:00.000",
  "lastModified": "2018-10-15T21:39:39.237",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of \"an invalid memory location.\""
    },
    {
      "lang": "es",
      "value": "libpurple de Pidgin versiones anteriores a 2.2.1 no gestiona apropiadamente los mensajes personalizados de usuarios que no est\u00e1n en la lista de amigos del receptor, lo cual permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) mediante un mensaje personalizado que dispara un acceso de \"ubicaci\u00f3n inv\u00e1lida de memoria\"."
    }
  ],
  "vendorComments": [
    {
      "organization": "Red Hat",
      "comment": "Not vulnerable. These issues did not affect the versions of Pidgin or Gaim as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.",
      "lastModified": "2007-10-04T00:00:00"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "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:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "5D22A117-78BE-4BAC-8A2A-6C00C9E3A4C4"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://fedoranews.org/updates/FEDORA-2007-236.shtml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/27010",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://secunia.com/advisories/27088",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.pidgin.im/news/security/?id=23",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://www.securityfocus.com/archive/1/481402/100/0/threaded",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/25872",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/3321",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36884",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261",
      "source": "secalert@redhat.com"
    }
  ]
}