Vulnerability-Lookup

CNVD-2018-04197

Vulnerability from cnvd - Published: 2018-03-02

Title

NoMachine 'nxfuse'权限提升漏洞

Description

NoMachine是卢森堡NoMachine公司的一款远程桌面访问工具。Open Source DokanFS library是其中的一个开源的文件系统库。nxfuse是其中的一个可以将NX数据作为文件系统公开的组件。 NoMachine中的Open Source DokanFS库的nxfuse组件存在安全漏洞。本地攻击者可利用该漏洞提升权限（Windows 7）或造成拒绝服务（Windows 8和10）。

Severity

高

Patch Name

NoMachine 'nxfuse'权限提升漏洞的补丁

Patch Description

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://www.nomachine.com/SU02P00194

Reference

https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/ https://www.exploit-db.com/exploits/44167/ https://www.nomachine.com/SU02P00194

Impacted products

Name
NoMachine NoMachine <=6.0.66_2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6947"
    }
  },
  "description": "NoMachine\u662f\u5362\u68ee\u5821NoMachine\u516c\u53f8\u7684\u4e00\u6b3e\u8fdc\u7a0b\u684c\u9762\u8bbf\u95ee\u5de5\u5177\u3002Open Source DokanFS library\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u6587\u4ef6\u7cfb\u7edf\u5e93\u3002nxfuse\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u53ef\u4ee5\u5c06NX\u6570\u636e\u4f5c\u4e3a\u6587\u4ef6\u7cfb\u7edf\u516c\u5f00\u7684\u7ec4\u4ef6\u3002\r\n\r\nNoMachine\u4e2d\u7684Open Source DokanFS\u5e93\u7684nxfuse\u7ec4\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\uff08Windows 7\uff09\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08Windows 8\u548c10\uff09\u3002",
  "discovererName": "Fidus InfoSecurity",
  "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://www.nomachine.com/SU02P00194",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04197",
  "openTime": "2018-03-02",
  "patchDescription": "NoMachine\u662f\u5362\u68ee\u5821NoMachine\u516c\u53f8\u7684\u4e00\u6b3e\u8fdc\u7a0b\u684c\u9762\u8bbf\u95ee\u5de5\u5177\u3002Open Source DokanFS library\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u6587\u4ef6\u7cfb\u7edf\u5e93\u3002nxfuse\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u53ef\u4ee5\u5c06NX\u6570\u636e\u4f5c\u4e3a\u6587\u4ef6\u7cfb\u7edf\u516c\u5f00\u7684\u7ec4\u4ef6\u3002\r\n\r\nNoMachine\u4e2d\u7684Open Source DokanFS\u5e93\u7684nxfuse\u7ec4\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\uff08Windows 7\uff09\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08Windows 8\u548c10\uff09\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": "NoMachine \u0027nxfuse\u0027\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "NoMachine NoMachine \u003c=6.0.66_2"
  },
  "referenceLink": "https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/\r\nhttps://www.exploit-db.com/exploits/44167/\r\nhttps://www.nomachine.com/SU02P00194",
  "serverity": "\u9ad8",
  "submitTime": "2018-03-02",
  "title": "NoMachine \u0027nxfuse\u0027\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2018-6947 (GCVE-0-2018-6947)

Vulnerability from cvelistv5 – Published: 2018-02-28 22:00 – Updated: 2024-08-05 06:17

Summary

An uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged user to gain elevation of privileges on Windows 7 (32 and 64bit), and denial of service for Windows 8 and 10.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://www.fidusinfosec.com/nomachine-road-code-…	x_refsource_MISC
https://www.exploit-db.com/exploits/44168/	exploitx_refsource_EXPLOIT-DB
https://www.nomachine.com/SU02P00194	x_refsource_CONFIRM
https://www.exploit-db.com/exploits/44167/	exploitx_refsource_EXPLOIT-DB
https://www.nomachine.com/SU02P00195	x_refsource_CONFIRM
https://www.nomachine.com/TR02P08408	x_refsource_CONFIRM

Date Public

2018-02-21 00:00

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.