Vulnerability-Lookup

ubuntu-cve-2019-0816

Vulnerability from osv_ubuntu

Published

2019-04-09 03:29

Modified

2025-07-16 04:54

Summary

Details

A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'.

Severity

5.1 (Medium)


                    
                      CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2019-0816	REPORT
	https://support.microsoft.com/en-us/help/4491476/…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2019-0816	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "cloud-init",
            "binary_version": "18.5-45-g3554ffe8-0ubuntu1~16.04.1"
          },
          {
            "binary_name": "ec2-init",
            "binary_version": "18.5-45-g3554ffe8-0ubuntu1~16.04.1"
          },
          {
            "binary_name": "grub-legacy-ec2",
            "binary_version": "18.5-45-g3554ffe8-0ubuntu1~16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "cloud-init",
        "purl": "pkg:deb/ubuntu/cloud-init@18.5-45-g3554ffe8-0ubuntu1~16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "18.5-45-g3554ffe8-0ubuntu1~16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.7.7~bzr1149-0ubuntu1",
        "0.7.7~bzr1154-0ubuntu1",
        "0.7.7~bzr1155-0ubuntu1",
        "0.7.7~bzr1156-0ubuntu1",
        "0.7.7~bzr1156-0ubuntu2",
        "0.7.7~bzr1160-0ubuntu1",
        "0.7.7~bzr1176-0ubuntu1",
        "0.7.7~bzr1182-0ubuntu1",
        "0.7.7~bzr1189-0ubuntu1",
        "0.7.7~bzr1192-0ubuntu1",
        "0.7.7~bzr1192-0ubuntu2",
        "0.7.7~bzr1200-0ubuntu1",
        "0.7.7~bzr1208-0ubuntu1",
        "0.7.7~bzr1209-0ubuntu1",
        "0.7.7~bzr1212-0ubuntu1",
        "0.7.7~bzr1246-0ubuntu1~16.04.1",
        "0.7.7~bzr1256-0ubuntu1~16.04.1",
        "0.7.8-1-g3705bb5-0ubuntu1~16.04.1",
        "0.7.8-1-g3705bb5-0ubuntu1~16.04.3",
        "0.7.8-49-g9e904bb-0ubuntu1~16.04.1",
        "0.7.8-49-g9e904bb-0ubuntu1~16.04.2",
        "0.7.8-49-g9e904bb-0ubuntu1~16.04.3",
        "0.7.8-49-g9e904bb-0ubuntu1~16.04.4",
        "0.7.9-0ubuntu1~16.04.2",
        "0.7.9-48-g1c795b9-0ubuntu1~16.04.1",
        "0.7.9-90-g61eb03fe-0ubuntu1~16.04.1",
        "0.7.9-113-g513e99e0-0ubuntu1~16.04.1",
        "0.7.9-153-g16a7302f-0ubuntu1~16.04.1",
        "0.7.9-153-g16a7302f-0ubuntu1~16.04.2",
        "0.7.9-233-ge586fe35-0ubuntu1~16.04.1",
        "0.7.9-233-ge586fe35-0ubuntu1~16.04.2",
        "17.1-27-geb292c18-0ubuntu1~16.04.1",
        "17.1-46-g7acc9e68-0ubuntu1~16.04.1",
        "17.2-35-gf576b2a2-0ubuntu1~16.04.2",
        "18.2-4-g05926e48-0ubuntu1~16.04.1",
        "18.2-4-g05926e48-0ubuntu1~16.04.2",
        "18.3-9-g2e62cb8a-0ubuntu1~16.04.2",
        "18.4-0ubuntu1~16.04.2",
        "18.5-21-g8ee294d5-0ubuntu1~16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "cloud-init",
            "binary_version": "18.5-45-g3554ffe8-0ubuntu1~18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "cloud-init",
        "purl": "pkg:deb/ubuntu/cloud-init@18.5-45-g3554ffe8-0ubuntu1~18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "18.5-45-g3554ffe8-0ubuntu1~18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "17.1-18-gd4f70470-0ubuntu1",
        "17.1-25-g17a15f9e-0ubuntu1~17.10.1",
        "17.1-25-g17a15f9e-0ubuntu1",
        "17.1-27-geb292c18-0ubuntu1",
        "17.1-41-g76243487-0ubuntu1",
        "17.1-46-g7acc9e68-0ubuntu1",
        "17.1-51-g05b2308a-0ubuntu1",
        "17.1-53-ga5dc0f42-0ubuntu1",
        "17.1-58-g703241a3-0ubuntu1",
        "17.1-60-ga30a3bb5-0ubuntu1",
        "17.2-1-g4089e20c-0ubuntu1",
        "17.2-9-gdf24daa8-0ubuntu1",
        "17.2-13-g6299e8d0-0ubuntu1",
        "17.2-20-g32a6a176-0ubuntu1",
        "17.2-25-gc03bdd3d-0ubuntu1",
        "17.2-30-gf7deaf15-0ubuntu1",
        "17.2-34-g644048e3-0ubuntu1",
        "18.1-0ubuntu1",
        "18.1-5-g40e77380-0ubuntu1",
        "18.1-17-g97012fbb-0ubuntu1",
        "18.1-23-gde34dc7c-0ubuntu1",
        "18.1-26-g685f9901-0ubuntu1",
        "18.1-35-ge0f644b7-0ubuntu1",
        "18.1-35-ge0f644b7-0ubuntu2",
        "18.2-0ubuntu1",
        "18.2-4-g05926e48-0ubuntu1",
        "18.2-4-g05926e48-0ubuntu2",
        "18.2-9-g49b562c9-0ubuntu1",
        "18.2-14-g6d48d265-0ubuntu1",
        "18.2-27-g6ef92c98-0ubuntu1~18.04.1",
        "18.3-9-g2e62cb8a-0ubuntu1~18.04.2",
        "18.4-0ubuntu1~18.04.1",
        "18.5-21-g8ee294d5-0ubuntu1~18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka \u0027Azure SSH Keypairs Security Feature Bypass Vulnerability\u0027.",
  "id": "UBUNTU-CVE-2019-0816",
  "modified": "2025-07-16T04:54:15Z",
  "published": "2019-04-09T03:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-0816"
    },
    {
      "type": "REPORT",
      "url": "https://support.microsoft.com/en-us/help/4491476/extraneous-ssh-public-keys-added-to-authorized-keys-file-on-linux-vm"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-0816"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-0816"
  ]
}

CVE-2019-0816 (GCVE-0-2019-0816)

Vulnerability from cvelistv5 – Published: 2019-04-09 02:29 – Updated: 2024-08-04 17:58

Summary

Severity

No CVSS data available.

CWE

Security Feature Bypass

Assigner

microsoft

References

2 references

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
Microsoft	Ubuntu Server	Affected: 18.04-LTS

Date Public

2019-03-12 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:58:58.447Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816"
          },
          {
            "name": "openSUSE-SU-2019:2633",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00018.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Ubuntu Server",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "18.04-LTS"
            }
          ]
        }
      ],
      "datePublic": "2019-03-12T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka \u0027Azure SSH Keypairs Security Feature Bypass Vulnerability\u0027."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Security Feature Bypass",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-12-04T06:06:05.000Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816"
        },
        {
          "name": "openSUSE-SU-2019:2633",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00018.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@microsoft.com",
          "ID": "CVE-2019-0816",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Ubuntu Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "18.04-LTS"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Microsoft"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka \u0027Azure SSH Keypairs Security Feature Bypass Vulnerability\u0027."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Security Feature Bypass"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816",
              "refsource": "CONFIRM",
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816"
            },
            {
              "name": "openSUSE-SU-2019:2633",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00018.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2019-0816",
    "datePublished": "2019-04-09T02:29:17.000Z",
    "dateReserved": "2018-11-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T17:58:58.447Z",
    "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-2019-0816

Vulnerability from osv_ubuntu

CVE-2019-0816 (GCVE-0-2019-0816)

Tags

Sightings

Nomenclature