FKIE_CVE-2016-2369

Vulnerability from fkie_nvd - Published: 2017-01-06 21:59 - Updated: 2026-06-17 00:43
Severity
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A NULL pointer dereference vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in a denial of service vulnerability. A malicious server can send a packet starting with a NULL byte triggering the vulnerability.
References
cret@cert.orghttp://www.debian.org/security/2016/dsa-3620Third Party Advisory
cret@cert.orghttp://www.pidgin.im/news/security/?id=102Patch, Vendor Advisory
cret@cert.orghttp://www.securityfocus.com/bid/91335Third Party Advisory, VDB Entry
cret@cert.orghttp://www.talosintelligence.com/reports/TALOS-2016-0137/Technical Description, Third Party Advisory
cret@cert.orghttp://www.ubuntu.com/usn/USN-3031-1Third Party Advisory
cret@cert.orghttps://security.gentoo.org/glsa/201701-38
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3620Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.pidgin.im/news/security/?id=102Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/91335Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.talosintelligence.com/reports/TALOS-2016-0137/Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3031-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201701-38
Impacted products
Vendor Product Version
pidgin pidgin *
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 15.10
debian debian_linux 8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Pidgin",
          "vendor": "Pidgin",
          "versions": [
            {
              "status": "affected",
              "version": "2.10.11"
            }
          ]
        }
      ],
      "source": "cret@cert.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "874D8FC9-41D0-49C7-9F8F-5C2DD33516AF",
              "versionEndIncluding": "2.10.12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A NULL pointer dereference vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in a denial of service vulnerability. A malicious server can send a packet starting with a NULL byte triggering the vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de referencia a puntero NULL en el manejo del protocolo MXIT en Pidgin. Datos MXIT especialmente manipulados enviados a trav\u00e9s del servidor podr\u00edan resultar potencialmente en una vulnerabilidad de denegaci\u00f3n de servicio. Un servidor malicioso puede enviar un paquete que comienza con un byte NULL desencadenando la vulnerabilidad."
    }
  ],
  "id": "CVE-2016-2369",
  "lastModified": "2026-06-17T00:43:54.820",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-01-06T21:59:00.697",
  "references": [
    {
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2016/dsa-3620"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.pidgin.im/news/security/?id=102"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/91335"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0137/"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3031-1"
    },
    {
      "source": "cret@cert.org",
      "url": "https://security.gentoo.org/glsa/201701-38"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2016/dsa-3620"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.pidgin.im/news/security/?id=102"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/91335"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0137/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3031-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201701-38"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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