Vulnerability-Lookup

CNVD-2021-28374

Vulnerability from cnvd - Published: 2021-04-15

Title

Learnsite远程权限提升漏洞

Description

Learnsite是一款信息技术课堂学习平台。 Learnsite 1.2.5.0版本中的/Manager/index.aspx中的JudgIsAdmin()函数存在远程权限提升漏洞。攻击者可通过修改用户cookie密钥的首字母利用该漏洞获取管理员cookie的密钥。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新：https://github.com/WaterCountry/Learnsite/issues/1

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-27522

Impacted products

Name
Learnsite Learnsite 1.2.5.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27522",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27522"
    }
  },
  "description": "Learnsite\u662f\u4e00\u6b3e\u4fe1\u606f\u6280\u672f\u8bfe\u5802\u5b66\u4e60\u5e73\u53f0\u3002\n\nLearnsite 1.2.5.0\u7248\u672c\u4e2d\u7684/Manager/index.aspx\u4e2d\u7684JudgIsAdmin()\u51fd\u6570\u5b58\u5728\u8fdc\u7a0b\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4fee\u6539\u7528\u6237cookie\u5bc6\u94a5\u7684\u9996\u5b57\u6bcd\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u7ba1\u7406\u5458cookie\u7684\u5bc6\u94a5\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1ahttps://github.com/WaterCountry/Learnsite/issues/1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-28374",
  "openTime": "2021-04-15",
  "products": {
    "product": "Learnsite Learnsite 1.2.5.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-27522",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-09",
  "title": "Learnsite\u8fdc\u7a0b\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2021-27522 (GCVE-0-2021-27522)

Vulnerability from cvelistv5 – Published: 2021-04-08 15:13 – Updated: 2024-08-03 21:26

Summary

Learnsite 1.2.5.0 contains a remote privilege escalation vulnerability in /Manager/index.aspx through the JudgIsAdmin() function. By modifying the initial letter of the key of a user cookie, the key of the administrator cookie can be obtained.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/WaterCountry/Learnsite/issues/1	x_refsource_MISC

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JSON

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:26:09.786Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://github.com/WaterCountry/Learnsite/issues/1"
          }
        ],
        "title": "CVE Program Container"
      }
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          "url": "https://github.com/WaterCountry/Learnsite/issues/1"
        }
      ],
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          "ID": "CVE-2021-27522",
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  "cveMetadata": {
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    "dateReserved": "2021-02-22T00:00:00.000Z",
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Sightings

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Nomenclature

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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.
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CNVD-2021-28374

CVE-2021-27522 (GCVE-0-2021-27522)

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