Vulnerability-Lookup

CNVD-2021-07532

Vulnerability from cnvd - Published: 2021-01-31

Title

Moodle资源管理错误漏洞

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 3.10.1, 3.9.4, 3.8.7 and 3.5.16之前版本存在资源管理错误漏洞，消息传递在发送消息时没有施加字符限制，这可能会导致客户端（浏览器）拒绝接收非常大的消息的用户的服务。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Moodle资源管理错误漏洞的补丁

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/security/

Reference

https://www.auscert.org.au/bulletins/ESB-2021.0314/

Impacted products

Name
['Moodle Moodle 3.10.1', 'Moodle Moodle 3.9.4', 'Moodle Moodle 3.8.7', 'Moodle Moodle 3.5.16']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20185",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20185"
    }
  },
  "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 3.10.1, 3.9.4, 3.8.7 and 3.5.16\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u6d88\u606f\u4f20\u9012\u5728\u53d1\u9001\u6d88\u606f\u65f6\u6ca1\u6709\u65bd\u52a0\u5b57\u7b26\u9650\u5236\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09\u62d2\u7edd\u63a5\u6536\u975e\u5e38\u5927\u7684\u6d88\u606f\u7684\u7528\u6237\u7684\u670d\u52a1\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/security/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-07532",
  "openTime": "2021-01-31",
  "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 3.10.1, 3.9.4, 3.8.7 and 3.5.16\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u6d88\u606f\u4f20\u9012\u5728\u53d1\u9001\u6d88\u606f\u65f6\u6ca1\u6709\u65bd\u52a0\u5b57\u7b26\u9650\u5236\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09\u62d2\u7edd\u63a5\u6536\u975e\u5e38\u5927\u7684\u6d88\u606f\u7684\u7528\u6237\u7684\u670d\u52a1\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": "Moodle\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Moodle Moodle 3.10.1",
      "Moodle Moodle 3.9.4",
      "Moodle Moodle 3.8.7",
      "Moodle Moodle 3.5.16"
    ]
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.0314/",
  "serverity": "\u9ad8",
  "submitTime": "2021-01-30",
  "title": "Moodle\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-20185 (GCVE-0-2021-20185)

Vulnerability from cvelistv5 – Published: 2021-01-28 19:01 – Updated: 2024-08-03 17:30

Summary

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.

Severity

No CVSS data available.

CWE

CWE-400

Assigner

redhat redhat root

References

1 reference

URL	Tags
https://moodle.org/mod/forum/discuss.php?d=417168	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	moodle	Affected: moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16

Show details on NVD website

JSON

To clipboard

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            "url": "https://moodle.org/mod/forum/discuss.php?d=417168"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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        }
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      ],
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                "product": {
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                      "product_name": "moodle",
                      "version": {
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                          {
                            "version_value": "moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16"
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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.

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.