Vulnerability-Lookup

CNVD-2020-70961

Vulnerability from cnvd - Published: 2020-12-13

Title

Imcat文件上传漏洞

Description

Imcat是一套基于PHP的开源建站系统。 imcat 5.2版本存在安全漏洞，该漏洞源于图片上传接口未做有效验证过滤，攻击者可通过图片功能的认证文件上传和远程代码执行。

Severity

中

Patch Name

Imcat文件上传漏洞的补丁

Patch Description

Imcat是一套基于PHP的开源建站系统。 imcat 5.2版本存在安全漏洞，该漏洞源于图片上传接口未做有效验证过滤，攻击者可通过图片功能的认证文件上传和远程代码执行。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/peacexie/imcat/issues/4

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-23520

Impacted products

Name
贴心猫（imcat） imcat 5.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23520",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-23520"
    }
  },
  "description": "Imcat\u662f\u4e00\u5957\u57fa\u4e8ePHP\u7684\u5f00\u6e90\u5efa\u7ad9\u7cfb\u7edf\u3002\n\nimcat 5.2\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u56fe\u7247\u4e0a\u4f20\u63a5\u53e3\u672a\u505a\u6709\u6548\u9a8c\u8bc1\u8fc7\u6ee4\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u56fe\u7247\u529f\u80fd\u7684\u8ba4\u8bc1\u6587\u4ef6\u4e0a\u4f20\u548c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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://github.com/peacexie/imcat/issues/4",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-70961",
  "openTime": "2020-12-13",
  "patchDescription": "Imcat\u662f\u4e00\u5957\u57fa\u4e8ePHP\u7684\u5f00\u6e90\u5efa\u7ad9\u7cfb\u7edf\u3002\r\n\r\nimcat 5.2\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u56fe\u7247\u4e0a\u4f20\u63a5\u53e3\u672a\u505a\u6709\u6548\u9a8c\u8bc1\u8fc7\u6ee4\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u56fe\u7247\u529f\u80fd\u7684\u8ba4\u8bc1\u6587\u4ef6\u4e0a\u4f20\u548c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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": "Imcat\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "\u8d34\u5fc3\u732b\uff08imcat\uff09 imcat 5.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-23520",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-11",
  "title": "Imcat\u6587\u4ef6\u4e0a\u4f20\u6f0f\u6d1e"
}

CVE-2020-23520 (GCVE-0-2020-23520)

Vulnerability from cvelistv5 – Published: 2020-12-09 15:34 – Updated: 2024-08-04 14:58

Summary

imcat 5.2 allows an authenticated file upload and consequently remote code execution via the picture functionality.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/peacexie/imcat/issues/4	x_refsource_MISC

Show details on NVD website

JSON

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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:58:15.092Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/peacexie/imcat/issues/4"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
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      ],
      "descriptions": [
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          "value": "imcat 5.2 allows an authenticated file upload and consequently remote code execution via the picture functionality."
        }
      ],
      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2020-12-09T15:34:38.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/peacexie/imcat/issues/4"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-23520",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
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                            "version_value": "n/a"
                          }
                        ]
                      }
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                "vendor_name": "n/a"
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                  "value": "n/a"
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2020-12-09T15:34:38.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
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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.