CVE-2020-26422 (GCVE-0-2020-26422)

Vulnerability from cvelistv5 – Published: 2020-12-21 17:15 – Updated: 2024-08-04 15:56
VLAI
Summary
Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • Buffer copy without checking size of input ('classic buffer overflow') in Wireshark
Assigner
References
Impacted products
Vendor Product Version CPE status
The Wireshark Foundation Wireshark Affected: >=3.4.0, <3.4.2
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:56:04.417Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.wireshark.org/security/wnpa-sec-2020-20.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.com/wireshark/wireshark/-/issues/17073"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json"
          },
          {
            "name": "GLSA-202101-12",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202101-12"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Wireshark",
          "vendor": "The Wireshark Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e=3.4.0, \u003c3.4.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Buffer copy without checking size of input (\u0027classic buffer overflow\u0027) in Wireshark",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-14T17:20:20.000Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.wireshark.org/security/wnpa-sec-2020-20.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gitlab.com/wireshark/wireshark/-/issues/17073"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json"
        },
        {
          "name": "GLSA-202101-12",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202101-12"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@gitlab.com",
          "ID": "CVE-2020-26422",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Wireshark",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003e=3.4.0, \u003c3.4.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "The Wireshark Foundation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file"
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Buffer copy without checking size of input (\u0027classic buffer overflow\u0027) in Wireshark"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.wireshark.org/security/wnpa-sec-2020-20.html",
              "refsource": "MISC",
              "url": "https://www.wireshark.org/security/wnpa-sec-2020-20.html"
            },
            {
              "name": "https://gitlab.com/wireshark/wireshark/-/issues/17073",
              "refsource": "MISC",
              "url": "https://gitlab.com/wireshark/wireshark/-/issues/17073"
            },
            {
              "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json",
              "refsource": "CONFIRM",
              "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json"
            },
            {
              "name": "GLSA-202101-12",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202101-12"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2020-26422",
    "datePublished": "2020-12-21T17:15:13.000Z",
    "dateReserved": "2020-10-01T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:56:04.417Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-26422",
      "date": "2026-09-22",
      "epss": "0.04725",
      "percentile": "0.91427"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2F891A7F-892B-4A3D-97DF-C45E67D8C0AD",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:wireshark:wireshark:3.4.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BCFBEED2-0A6D-468F-995C-A312E876C6A0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D3E503FB-6279-4D4A-91D8-E237ECF9D2B0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file"
          },
          {
            "lang": "es",
            "value": "Un desbordamiento del b\u00fafer en el disector QUIC en Wireshark versiones 3.4.0 hasta 3.4.1, permite una denegaci\u00f3n de servicio por medio de una inyecci\u00f3n de paquetes o un archivo de captura dise\u00f1ado"
          }
        ],
        "id": "CVE-2020-26422",
        "lastModified": "2024-11-21T05:19:55.100",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 3.7,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 1.4,
              "source": "cve@gitlab.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2020-12-21T18:15:15.477",
        "references": [
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://gitlab.com/wireshark/wireshark/-/issues/17073"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.gentoo.org/glsa/202101-12"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.wireshark.org/security/wnpa-sec-2020-20.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://gitlab.com/wireshark/wireshark/-/issues/17073"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.gentoo.org/glsa/202101-12"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.wireshark.org/security/wnpa-sec-2020-20.html"
          }
        ],
        "sourceIdentifier": "cve@gitlab.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-120"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-02-23T19:16:43+00:00",
      "cve": "CVE-2020-26422",
      "id": "CVE-2020-26422",
      "initial_release_date": "2020-12-18T00:00:00+00:00",
      "product_status:known_not_affected": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "wireshark: QUIC dissector crash (wnpa-sec-2020-20)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-26422.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.