FKIE_CVE-2020-17498

Vulnerability from fkie_nvd - Published: 2020-08-13 16:15 - Updated: 2026-06-17 02:59
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
In Wireshark 3.2.0 to 3.2.5, the Kafka protocol dissector could crash. This was addressed in epan/dissectors/packet-kafka.c by avoiding a double free during LZ4 decompression.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=76afda963de4f0b9be24f2d8e873990a5cbf221b
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
cve@mitre.orghttps://security.gentoo.org/glsa/202008-14Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.wireshark.org/security/wnpa-sec-2020-10.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=76afda963de4f0b9be24f2d8e873990a5cbf221b
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202008-14Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.wireshark.org/security/wnpa-sec-2020-10.htmlVendor Advisory
Impacted products
Vendor Product Version
wireshark wireshark *
fedoraproject fedora 31
fedoraproject fedora 32
opensuse leap 15.1
opensuse leap 15.2
oracle zfs_storage_appliance_kit 8.8
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
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              "matchCriteriaId": "45CA194D-BB82-4E68-9F11-370943D386B1",
              "versionEndExcluding": "3.2.6",
              "versionStartIncluding": "3.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
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              "vulnerable": true
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              "vulnerable": true
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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Wireshark 3.2.0 to 3.2.5, the Kafka protocol dissector could crash. This was addressed in epan/dissectors/packet-kafka.c by avoiding a double free during LZ4 decompression."
    },
    {
      "lang": "es",
      "value": "En Wireshark versiones 3.2.0 hasta 3.2.5, el disector del protocolo Kafka podr\u00eda bloquearse. Esto fue abordado en el archivo epan/dissectors/packet-kafka.c evitando una doble liberaci\u00f3n durante la descompresi\u00f3n de LZ4"
    }
  ],
  "id": "CVE-2020-17498",
  "lastModified": "2026-06-17T02:59:01.457",
  "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": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-08-13T16:15:13.310",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html"
    },
    {
      "source": "cve@mitre.org",
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        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Issue Tracking",
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      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=76afda963de4f0b9be24f2d8e873990a5cbf221b"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://security.gentoo.org/glsa/202008-14"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://www.wireshark.org/security/wnpa-sec-2020-10.html"
    },
    {
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    {
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      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/"
    },
    {
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      "tags": [
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      "url": "https://security.gentoo.org/glsa/202008-14"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.