FKIE_CVE-2007-4996

Vulnerability from fkie_nvd - Published: 2007-10-01 20:17 - Updated: 2026-06-16 22:45
Severity
Summary
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."
References
Impacted products
Vendor Product Version
pidgin pidgin 2.2.0

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "5D22A117-78BE-4BAC-8A2A-6C00C9E3A4C4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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\u0027s 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\"."
    }
  ],
  "id": "CVE-2007-4996",
  "lastModified": "2026-06-16T22:45:14.853",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-10-01T20:17:00.000",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://fedoranews.org/updates/FEDORA-2007-236.shtml"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27010"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/27088"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ],
      "url": "http://www.pidgin.im/news/security/?id=23"
    },
    {
      "source": "secalert@redhat.com",
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://fedoranews.org/updates/FEDORA-2007-236.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27010"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/27088"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.pidgin.im/news/security/?id=23"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/481402/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/25872"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/3321"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36884"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vendorComments": [
    {
      "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",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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