Vulnerability-Lookup

ubuntu-cve-2021-43565

Vulnerability from osv_ubuntu

Published

2022-09-06 18:15

Modified

2026-07-09 10:37

Summary

Details

The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-43565	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-43565	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.crypto-dev",
            "binary_version": "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3"
          },
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3?arch=source\u0026distro=esm-infra-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0~git20150608-1",
        "1:0.0~git20151201.0.7b85b09-2",
        "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm1",
        "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm2",
        "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.crypto-dev",
            "binary_version": "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3"
          },
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0~git20170629.0.5ef0053-1ubuntu1",
        "1:0.0~git20170629.0.5ef0053-1ubuntu2",
        "1:0.0~git20170629.0.5ef0053-2",
        "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm1",
        "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm2",
        "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.0~git20200221.2aa609c-1ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20200221.2aa609c-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0~git20190701.4def268-2",
        "1:0.0~git20200221.2aa609c-1",
        "1:0.0~git20200221.2aa609c-1ubuntu0.1~esm1",
        "1:0.0~git20200221.2aa609c-1ubuntu0.1~esm2",
        "1:0.0~git20200221.2aa609c-1ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.0~git20211202.5770296-1ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20211202.5770296-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0~git20201221.eec23a3-1",
        "1:0.0~git20211202.5770296-1",
        "1:0.0~git20211202.5770296-1ubuntu0.1~esm1",
        "1:0.0~git20211202.5770296-1ubuntu0.1~esm2",
        "1:0.0~git20211202.5770296-1ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.19.0-1ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.19.0-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.4.0-1",
        "1:0.17.0-1",
        "1:0.18.0-1",
        "1:0.19.0-1",
        "1:0.19.0-1ubuntu0.1~esm1",
        "1:0.19.0-1ubuntu0.1~esm2",
        "1:0.19.0-1ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.25.0-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.25.0-1ubuntu0.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.25.0-1",
        "1:0.25.0-1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.47.0-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.47.0-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.25.0-1",
        "1:0.45.0-1",
        "1:0.47.0-1",
        "1:0.47.0-1ubuntu0.1~esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.",
  "id": "UBUNTU-CVE-2021-43565",
  "modified": "2026-07-09T10:37:03Z",
  "published": "2022-09-06T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-43565"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-43565"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-43565"
  ]
}

CVE-2021-43565 (GCVE-0-2021-43565)

Vulnerability from cvelistv5 – Published: 2022-09-06 17:03 – Updated: 2024-08-04 04:03

Summary

The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

2 references

URL	Tags
https://groups.google.com/forum/#%21forum/golang-…	x_refsource_MISC
https://groups.google.com/g/golang-announce/c/2AR…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:03:07.828Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://groups.google.com/forum/#%21forum/golang-announce"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-06T17:03:42.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://groups.google.com/forum/#%21forum/golang-announce"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-43565",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://groups.google.com/forum/#!forum/golang-announce",
              "refsource": "MISC",
              "url": "https://groups.google.com/forum/#!forum/golang-announce"
            },
            {
              "name": "https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs",
              "refsource": "CONFIRM",
              "url": "https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-43565",
    "datePublished": "2022-09-06T17:03:42.000Z",
    "dateReserved": "2021-11-09T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:03:07.828Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

ubuntu-cve-2021-43565

Vulnerability from osv_ubuntu

CVE-2021-43565 (GCVE-0-2021-43565)

Tags

Sightings

Nomenclature