msrc_cve-2021-21285
Vulnerability from csaf_microsoft
Published
2021-02-02 00:00
Modified
2021-07-27 00:00
Summary
Docker daemon crash during image pull of malicious image

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


To clipboard 

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2021-21285 Docker daemon crash during image pull of malicious image - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-21285.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Docker daemon crash during image pull of malicious image",
    "tracking": {
      "current_release_date": "2021-07-27T00:00:00.000Z",
      "generator": {
        "date": "2025-10-19T21:43:39.664Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2021-21285",
      "initial_release_date": "2021-02-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2021-07-16T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2021-07-27T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added moby-engine to CBL-Mariner 1.0"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 moby-engine 19.03.15+azure-2",
                "product": {
                  "name": "\u003ccm1 moby-engine 19.03.15+azure-2",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 moby-engine 19.03.15+azure-2",
                "product": {
                  "name": "cm1 moby-engine 19.03.15+azure-2",
                  "product_id": "19029"
                }
              }
            ],
            "category": "product_name",
            "name": "moby-engine"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 moby-cli 19.03.15+azure-2",
                "product": {
                  "name": "\u003ccm1 moby-cli 19.03.15+azure-2",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 moby-cli 19.03.15+azure-2",
                "product": {
                  "name": "cm1 moby-cli 19.03.15+azure-2",
                  "product_id": "19030"
                }
              }
            ],
            "category": "product_name",
            "name": "moby-cli"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 moby-buildx 0.4.1+azure-3",
                "product": {
                  "name": "\u003ccm1 moby-buildx 0.4.1+azure-3",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 moby-buildx 0.4.1+azure-3",
                "product": {
                  "name": "cm1 moby-buildx 0.4.1+azure-3",
                  "product_id": "16833"
                }
              }
            ],
            "category": "product_name",
            "name": "moby-buildx"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 moby-engine 19.03.15+azure-2 as a component of CBL Mariner 1.0",
          "product_id": "16820-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 moby-engine 19.03.15+azure-2 as a component of CBL Mariner 1.0",
          "product_id": "19029-16820"
        },
        "product_reference": "19029",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 moby-cli 19.03.15+azure-2 as a component of CBL Mariner 1.0",
          "product_id": "16820-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 moby-cli 19.03.15+azure-2 as a component of CBL Mariner 1.0",
          "product_id": "19030-16820"
        },
        "product_reference": "19030",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 moby-buildx 0.4.1+azure-3 as a component of CBL Mariner 1.0",
          "product_id": "16820-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 moby-buildx 0.4.1+azure-3 as a component of CBL Mariner 1.0",
          "product_id": "16833-16820"
        },
        "product_reference": "16833",
        "relates_to_product_reference": "16820"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-21285",
      "cwe": {
        "id": "CWE-754",
        "name": "Improper Check for Unusual or Exceptional Conditions"
      },
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19029-16820",
          "19030-16820",
          "16833-16820"
        ],
        "known_affected": [
          "16820-2",
          "16820-1",
          "16820-3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2021-21285 Docker daemon crash during image pull of malicious image - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-21285.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-07-16T00:00:00.000Z",
          "details": "-:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-2",
            "16820-1",
            "16820-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "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"
          },
          "products": [
            "16820-2",
            "16820-1",
            "16820-3"
          ]
        }
      ],
      "title": "Docker daemon crash during image pull of malicious image"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.