Vulnerability-Lookup

CNVD-2021-53910

Vulnerability from cnvd - Published: 2021-07-23

Title

Minecraft远程代码执行漏洞

Description

Minecraft（我的世界）是瑞典Mojang的一款沙盒游戏。 Minecraft 1.16.1.7之前存在安全漏洞，该漏洞源于BDew BdLib库允许远程代码执行，反序列化ObjectInputStream中的不可信数据。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Minecraft远程代码执行漏洞的补丁

Patch Description

Minecraft（我的世界）是瑞典Mojang的一款沙盒游戏。 Minecraft 1.16.1.7之前存在安全漏洞，该漏洞源于BDew BdLib库允许远程代码执行，反序列化ObjectInputStream中的不可信数据。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-33806

Impacted products

Name
Minecraft Minecraft <1.16.1.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-33806"
    }
  },
  "description": "Minecraft\uff08\u6211\u7684\u4e16\u754c\uff09\u662f\u745e\u5178Mojang\u7684\u4e00\u6b3e\u6c99\u76d2\u6e38\u620f\u3002\n\nMinecraft 1.16.1.7\u4e4b\u524d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eBDew BdLib\u5e93\u5141\u8bb8\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff0c\u53cd\u5e8f\u5217\u5316ObjectInputStream\u4e2d\u7684\u4e0d\u53ef\u4fe1\u6570\u636e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-53910",
  "openTime": "2021-07-23",
  "patchDescription": "Minecraft\uff08\u6211\u7684\u4e16\u754c\uff09\u662f\u745e\u5178Mojang\u7684\u4e00\u6b3e\u6c99\u76d2\u6e38\u620f\u3002\r\n\r\nMinecraft 1.16.1.7\u4e4b\u524d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eBDew BdLib\u5e93\u5141\u8bb8\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff0c\u53cd\u5e8f\u5217\u5316ObjectInputStream\u4e2d\u7684\u4e0d\u53ef\u4fe1\u6570\u636e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Minecraft\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Minecraft Minecraft \u003c1.16.1.7"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-33806",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-04",
  "title": "Minecraft\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2021-33806 (GCVE-0-2021-33806)

Vulnerability from cvelistv5 – Published: 2021-06-03 11:22 – Updated: 2024-08-03 23:58

Summary

The BDew BdLib library before 1.16.1.7 for Minecraft allows remote code execution because it deserializes untrusted data in ObjectInputStream.readObject as part of its use of Java serialization.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2318 records in the last 180 days details

References

4 references

URL	Tags
https://bdew.net	x_refsource_MISC
https://www.curseforge.com/minecraft/mc-mods/bdli…	x_refsource_MISC
https://vuln.ryotak.me/advisories/46	x_refsource_MISC
https://github.com/bdew-minecraft/bdlib/commit/44…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:23.171Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bdew.net"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.curseforge.com/minecraft/mc-mods/bdlib/files/3331330"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://vuln.ryotak.me/advisories/46"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The BDew BdLib library before 1.16.1.7 for Minecraft allows remote code execution because it deserializes untrusted data in ObjectInputStream.readObject as part of its use of Java serialization."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-03T11:22:05.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bdew.net"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.curseforge.com/minecraft/mc-mods/bdlib/files/3331330"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://vuln.ryotak.me/advisories/46"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-33806",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
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        },
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                  "value": "n/a"
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        "references": {
          "reference_data": [
            {
              "name": "https://bdew.net",
              "refsource": "MISC",
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            },
            {
              "name": "https://www.curseforge.com/minecraft/mc-mods/bdlib/files/3331330",
              "refsource": "MISC",
              "url": "https://www.curseforge.com/minecraft/mc-mods/bdlib/files/3331330"
            },
            {
              "name": "https://vuln.ryotak.me/advisories/46",
              "refsource": "MISC",
              "url": "https://vuln.ryotak.me/advisories/46"
            },
            {
              "name": "https://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297",
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CNVD-2021-53910

CVE-2021-33806 (GCVE-0-2021-33806)

Tags

Sightings

Nomenclature

Related by attack behaviour