Vulnerability-Lookup

CNVD-2021-17758

Vulnerability from cnvd - Published: 2021-03-16

Title

Gossipsub存在未明漏洞

Description

Gossipsub是一款基于随机主题网格和Gossip的可扩展基准pubsub协议。 Gossipsub 1.0版本中存在安全漏洞，该漏洞源于程序没有对无效的垃圾消息实施相关的安全保护。攻击者可利用该漏洞发起日食攻击或Sybil（女巫）攻击。

Severity

高

Patch Name

Gossipsub存在未明漏洞的补丁

Patch Description

Gossipsub是一款基于随机主题网格和Gossip的可扩展基准pubsub协议。 Gossipsub 1.0版本中存在安全漏洞，该漏洞源于程序没有对无效的垃圾消息实施相关的安全保护。攻击者可利用该漏洞发起日食攻击或Sybil（女巫）攻击。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，详情请关注厂商主页： https://github.com/libp2p/specs/tree/master/pubsub/gossipsub

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-12821

Impacted products

Name
Gossipsub Gossipsub 1.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12821"
    }
  },
  "description": "Gossipsub\u662f\u4e00\u6b3e\u57fa\u4e8e\u968f\u673a\u4e3b\u9898\u7f51\u683c\u548cGossip\u7684\u53ef\u6269\u5c55\u57fa\u51c6pubsub\u534f\u8bae\u3002\n\nGossipsub 1.0\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u5bf9\u65e0\u6548\u7684\u5783\u573e\u6d88\u606f\u5b9e\u65bd\u76f8\u5173\u7684\u5b89\u5168\u4fdd\u62a4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u8d77\u65e5\u98df\u653b\u51fb\u6216Sybil\uff08\u5973\u5deb\uff09\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://github.com/libp2p/specs/tree/master/pubsub/gossipsub",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-17758",
  "openTime": "2021-03-16",
  "patchDescription": "Gossipsub\u662f\u4e00\u6b3e\u57fa\u4e8e\u968f\u673a\u4e3b\u9898\u7f51\u683c\u548cGossip\u7684\u53ef\u6269\u5c55\u57fa\u51c6pubsub\u534f\u8bae\u3002\r\n\r\nGossipsub 1.0\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u5bf9\u65e0\u6548\u7684\u5783\u573e\u6d88\u606f\u5b9e\u65bd\u76f8\u5173\u7684\u5b89\u5168\u4fdd\u62a4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u8d77\u65e5\u98df\u653b\u51fb\u6216Sybil\uff08\u5973\u5deb\uff09\u653b\u51fb\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": "Gossipsub\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gossipsub Gossipsub 1.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12821",
  "serverity": "\u9ad8",
  "submitTime": "2020-07-08",
  "title": "Gossipsub\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2020-12821 (GCVE-0-2020-12821)

Vulnerability from cvelistv5 – Published: 2020-07-07 19:18 – Updated: 2024-08-04 12:04

Summary

Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

5 references

URL	Tags
https://github.com/libp2p/specs/tree/master/pubsu…	x_refsource_MISC
https://github.com/libp2p/specs/blob/master/pubsu…	x_refsource_MISC
https://bitcoin.stackexchange.com/questions/61151…	x_refsource_MISC
https://github.com/ipfs/blog/pull/450	x_refsource_CONFIRM
https://gateway.ipfs.io/ipfs/QmPWuNBs8h6a8KamRvGq…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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            "tags": [
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            ],
            "url": "https://github.com/libp2p/specs/tree/master/pubsub/gossipsub"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bitcoin.stackexchange.com/questions/61151/eclipse-attack-vs-sybil-attack"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://github.com/ipfs/blog/pull/450"
          },
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            ],
            "url": "https://gateway.ipfs.io/ipfs/QmPWuNBs8h6a8KamRvGqhTq5UDYJRQsEEy37zDKjujQQQm/Gossipsub%20Evaluation%20Report.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack."
        }
      ],
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      "providerMetadata": {
        "dateUpdated": "2020-07-07T19:18:43.000Z",
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        },
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          "tags": [
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          ],
          "url": "https://bitcoin.stackexchange.com/questions/61151/eclipse-attack-vs-sybil-attack"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
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          "url": "https://github.com/ipfs/blog/pull/450"
        },
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          "tags": [
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          ],
          "url": "https://gateway.ipfs.io/ipfs/QmPWuNBs8h6a8KamRvGqhTq5UDYJRQsEEy37zDKjujQQQm/Gossipsub%20Evaluation%20Report.pdf"
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/libp2p/specs/tree/master/pubsub/gossipsub",
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            },
            {
              "name": "https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md",
              "refsource": "MISC",
              "url": "https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md"
            },
            {
              "name": "https://bitcoin.stackexchange.com/questions/61151/eclipse-attack-vs-sybil-attack",
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              "url": "https://bitcoin.stackexchange.com/questions/61151/eclipse-attack-vs-sybil-attack"
            },
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              "refsource": "CONFIRM",
              "url": "https://gateway.ipfs.io/ipfs/QmPWuNBs8h6a8KamRvGqhTq5UDYJRQsEEy37zDKjujQQQm/Gossipsub%20Evaluation%20Report.pdf"
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    "datePublished": "2020-07-07T19:18:43.000Z",
    "dateReserved": "2020-05-12T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:04:22.908Z",
    "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.
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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.

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CNVD-2021-17758

CVE-2020-12821 (GCVE-0-2020-12821)

Tags

Sightings

Nomenclature

Related by attack behaviour