Vulnerability-Lookup

CNVD-2021-53904

Vulnerability from cnvd - Published: 2021-07-23

Title

Studio-42 Elfinder远程代码执行漏洞

Description

Studio-42 Elfinder是一个开源的web文件管理器。 Studio-42 Elfinder存在远程代码执行漏洞，该漏洞源于服务器在将.phar解析成php时发生错误。攻击者可通过该漏洞给引起代码远程执行。

Severity

中

Patch Name

Studio-42 Elfinder远程代码执行漏洞的补丁

Patch Description

Studio-42 Elfinder是一个开源的web文件管理器。 Studio-42 Elfinder存在远程代码执行漏洞，该漏洞源于服务器在将.phar解析成php时发生错误。攻击者可通过该漏洞给引起代码远程执行。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-23394

Impacted products

Name
Studio-42 elfinder <2.1.58

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23394"
    }
  },
  "description": "Studio-42 Elfinder\u662f\u4e00\u4e2a\u5f00\u6e90\u7684web\u6587\u4ef6\u7ba1\u7406\u5668\u3002\n\nStudio-42 Elfinder\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u670d\u52a1\u5668\u5728\u5c06.phar\u89e3\u6790\u6210php\u65f6\u53d1\u751f\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u7ed9\u5f15\u8d77\u4ee3\u7801\u8fdc\u7a0b\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-53904",
  "openTime": "2021-07-23",
  "patchDescription": "Studio-42 Elfinder\u662f\u4e00\u4e2a\u5f00\u6e90\u7684web\u6587\u4ef6\u7ba1\u7406\u5668\u3002\r\n\r\nStudio-42 Elfinder\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u670d\u52a1\u5668\u5728\u5c06.phar\u89e3\u6790\u6210php\u65f6\u53d1\u751f\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u7ed9\u5f15\u8d77\u4ee3\u7801\u8fdc\u7a0b\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": "Studio-42 Elfinder\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Studio-42 elfinder \u003c2.1.58"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-23394",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-17",
  "title": "Studio-42 Elfinder\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2021-23394 (GCVE-0-2021-23394)

Vulnerability from cvelistv5 – Published: 2021-06-13 11:05 – Updated: 2024-09-16 22:30

Title

Remote Code Execution (RCE)

Summary

The package studio-42/elfinder before 2.1.58 are vulnerable to Remote Code Execution (RCE) via execution of PHP code in a .phar file. NOTE: This only applies if the server parses .phar files as PHP.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Remote Code Execution (RCE)

Assigner

snyk mitre root

References

5 references

URL	Tags
https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554	x_refsource_MISC
https://github.com/Studio-42/elFinder	x_refsource_MISC
https://github.com/Studio-42/elFinder/issues/3295	x_refsource_MISC
https://github.com/Studio-42/elFinder/commit/75ea…	x_refsource_MISC
https://blog.sonarsource.com/elfinder-case-study-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	studio-42/elfinder	Affected: unspecified , < 2.1.58 (custom)

Date Public

2021-06-13 00:00

Credits

Ashok Chand

Show details on NVD website

JSON

To clipboard

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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.