Vulnerability-Lookup

CNVD-2020-65138

Vulnerability from cnvd - Published: 2020-11-19

Title

Moodle未授权访问漏洞（CNVD-2020-65138）

Description

Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 存在安全漏洞，该漏洞源于恢复角色覆盖时，过程中不适当的访问限制。具有课程恢复能力的远程用户可以利用该漏洞向该课程中的角色添加其他功能。远程攻击者可利用该漏洞获得未经授权的访问权限，否则将受到限制的功能。

Severity

中

Patch Name

Moodle未授权访问漏洞（CNVD-2020-65138）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://moodle.org/mod/forum/discuss.php?d=413936

Reference

https://www.auscert.org.au/bulletins/ESB-2020.4071/

Impacted products

Name
['moodle Moodle >=3.9，<=3.9.2', 'moodle Moodle >=3.8，<=3.8.5', 'moodle Moodle >=3.7，<=3.7.8', 'moodle Moodle >=3.5，<=3.5.14']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25699",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25699"
    }
  },
  "description": "Moodle\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7535\u5b50\u5b66\u4e60\u8f6f\u4ef6\u5e73\u53f0\uff0c\u4e5f\u79f0\u8bfe\u7a0b\u7ba1\u7406\u7cfb\u7edf\u3001\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u6216\u865a\u62df\u5b66\u4e60\u73af\u5883\u3002\n\nMoodle \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6062\u590d\u89d2\u8272\u8986\u76d6\u65f6\uff0c\u8fc7\u7a0b\u4e2d\u4e0d\u9002\u5f53\u7684\u8bbf\u95ee\u9650\u5236\u3002\u5177\u6709\u8bfe\u7a0b\u6062\u590d\u80fd\u529b\u7684\u8fdc\u7a0b\u7528\u6237\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u8be5\u8bfe\u7a0b\u4e2d\u7684\u89d2\u8272\u6dfb\u52a0\u5176\u4ed6\u529f\u80fd\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u5426\u5219\u5c06\u53d7\u5230\u9650\u5236\u7684\u529f\u80fd\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://moodle.org/mod/forum/discuss.php?d=413936",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-65138",
  "openTime": "2020-11-19",
  "patchDescription": "Moodle\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7535\u5b50\u5b66\u4e60\u8f6f\u4ef6\u5e73\u53f0\uff0c\u4e5f\u79f0\u8bfe\u7a0b\u7ba1\u7406\u7cfb\u7edf\u3001\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u6216\u865a\u62df\u5b66\u4e60\u73af\u5883\u3002\r\n\r\nMoodle \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6062\u590d\u89d2\u8272\u8986\u76d6\u65f6\uff0c\u8fc7\u7a0b\u4e2d\u4e0d\u9002\u5f53\u7684\u8bbf\u95ee\u9650\u5236\u3002\u5177\u6709\u8bfe\u7a0b\u6062\u590d\u80fd\u529b\u7684\u8fdc\u7a0b\u7528\u6237\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u8be5\u8bfe\u7a0b\u4e2d\u7684\u89d2\u8272\u6dfb\u52a0\u5176\u4ed6\u529f\u80fd\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u5426\u5219\u5c06\u53d7\u5230\u9650\u5236\u7684\u529f\u80fd\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": "Moodle\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff08CNVD-2020-65138\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "moodle Moodle \u003e=3.9\uff0c\u003c=3.9.2",
      "moodle Moodle \u003e=3.8\uff0c\u003c=3.8.5",
      "moodle Moodle \u003e=3.7\uff0c\u003c=3.7.8",
      "moodle Moodle \u003e=3.5\uff0c\u003c=3.5.14"
    ]
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2020.4071/",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-18",
  "title": "Moodle\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff08CNVD-2020-65138\uff09"
}

CVE-2020-25699 (GCVE-0-2020-25699)

Vulnerability from cvelistv5 – Published: 2020-11-19 00:00 – Updated: 2024-08-04 15:40

Summary

In moodle, insufficient capability checks could lead to users with the ability to course restore adding additional capabilities to roles within that course. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5, 3.7 to 3.7.8, 3.5 to 3.5.14 and earlier unsupported versions. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10.

Severity

No CVSS data available.

CWE

CWE-863

Assigner

redhat redhat root

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1895425
https://moodle.org/mod/forum/discuss.php?d=413936
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
n/a	moodle	Affected: Fixed in 3.9.3 Affected: Fixed in 3.8.6 Affected: Fixed in 3.7.9 Affected: Fixed in 3.5.15 Affected: Fixed in 3.10

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:40:36.678Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1895425"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://moodle.org/mod/forum/discuss.php?d=413936"
          },
          {
            "name": "FEDORA-2020-304aa2c365",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6/"
          },
          {
            "name": "FEDORA-2020-db73e37548",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "moodle",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in 3.9.3"
            },
            {
              "status": "affected",
              "version": "Fixed in 3.8.6"
            },
            {
              "status": "affected",
              "version": "Fixed in 3.7.9"
            },
            {
              "status": "affected",
              "version": "Fixed in 3.5.15"
            },
            {
              "status": "affected",
              "version": "Fixed in 3.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In moodle, insufficient capability checks could lead to users with the ability to course restore adding additional capabilities to roles within that course. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5, 3.7 to 3.7.8, 3.5 to 3.5.14 and earlier unsupported versions. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863",
              "lang": "en",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-07T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1895425"
        },
        {
          "url": "https://moodle.org/mod/forum/discuss.php?d=413936"
        },
        {
          "name": "FEDORA-2020-304aa2c365",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6/"
        },
        {
          "name": "FEDORA-2020-db73e37548",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2020-25699",
    "datePublished": "2020-11-19T00:00:00.000Z",
    "dateReserved": "2020-09-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:40:36.678Z",
    "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.

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.