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CVE-2016-2523

Status: ModifiedMedium (5.9)—

The dnp3_al_process_object function in epan/dissectors/packet-dnp.c in the DNP3 dissector in Wireshark 1.12.x before 1.12.10 and 2.0.x before 2.0.2 allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Wireshark — Wireshark

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-2523",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-02-28T04:59:02.103",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-03/msg00015.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-03/msg00016.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3516",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1035118",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.wireshark.org/security/wnpa-sec-2016-03.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11938",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=260afe11feb796d1fde992d8f8c133ebd950b573",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201604-05",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-03/msg00015.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-03/msg00016.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3516",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1035118",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.wireshark.org/security/wnpa-sec-2016-03.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11938",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=260afe11feb796d1fde992d8f8c133ebd950b573",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201604-05",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The dnp3_al_process_object function in epan/dissectors/packet-dnp.c in the DNP3 dissector in Wireshark 1.12.x before 1.12.10 and 2.0.x before 2.0.2 allows remote attackers to cause a denial of service (infinite loop) via a crafted packet."
    },
    {
      "lang": "es",
      "value": "La función dnp3_al_process_object en epan/dissectors/packet-dnp.c en el disector DNP3 en Wireshark 1.12.x en versiones anteriores a 1.12.10 y 2.0.x en versiones anteriores a 2.0.2 permite a atacantes remotos provocar una denegación de servicio (bucle infinito) a través de un paquete manipulado."
    }
  ],
  "lastModified": "2026-06-17T00:44:13.277",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "29AC5E99-9C21-4C2E-AE68-A4B887318577"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B90C8934-01D8-4027-8A38-0B3230CC5077"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49C89A62-69E2-40C5-9C75-FA6601A935A2"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1946DDC9-E49F-4601-8448-E73B0480C880"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.12.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E2F85560-F43E-46C5-9CD1-1A1D66E21580"
            },
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              "matchCriteriaId": "2518D86A-623D-431E-9574-32B677D5FB94"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.12.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FEA2B085-01D2-4707-A9F7-6545E4D6D99A"
            },
            {
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              "matchCriteriaId": "FE4BBF1A-4303-456C-AD19-F5BCF6FDD76B"
            },
            {
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              "matchCriteriaId": "AD3D5FFB-1A09-4A06-8E83-DF72E39E1891"
            },
            {
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              "matchCriteriaId": "94DC7821-59C4-4BD7-BDCA-D0319B209010"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "80E2A443-32DB-4C8B-8D2D-AE4F80A154A1"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2EF0B55F-A412-48E2-9047-7CCA8442766D"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}