Vulnerability-Lookup

CNVD-2017-35682

Vulnerability from cnvd - Published: 2017-11-30

Title

Gentoo net-misc/vde权限提升漏洞

Description

Gentoo net-misc/vde package是Gentoo基金会的一套分布式虚拟网络框架。 Gentoo net-misc/vde包2.3.2-r4之前的版本中存在安全漏洞。攻击者可通过在目录中创建硬链接利用该漏洞获取root权限。

Severity

高

Patch Name

Gentoo net-misc/vde权限提升漏洞的补丁

Patch Description

Gentoo net-misc/vde package是Gentoo基金会的一套分布式虚拟网络框架。 Gentoo net-misc/vde包2.3.2-r4之前的版本中存在安全漏洞。攻击者可通过在目录中创建硬链接利用该漏洞获取root权限。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://bugs.gentoo.org/603382

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-16638

Impacted products

Name
Gentoo net-misc/vde package <2.3.2-r4

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2017-16638"
    }
  },
  "description": "Gentoo net-misc/vde package\u662fGentoo\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5206\u5e03\u5f0f\u865a\u62df\u7f51\u7edc\u6846\u67b6\u3002\r\n\r\nGentoo net-misc/vde\u53052.3.2-r4\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5728\u76ee\u5f55\u4e2d\u521b\u5efa\u786c\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6root\u6743\u9650\u3002",
  "discovererName": "Michael Orlitzky",
  "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://bugs.gentoo.org/603382",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-35682",
  "openTime": "2017-11-30",
  "patchDescription": "Gentoo net-misc/vde package\u662fGentoo\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5206\u5e03\u5f0f\u865a\u62df\u7f51\u7edc\u6846\u67b6\u3002\r\n\r\nGentoo net-misc/vde\u53052.3.2-r4\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5728\u76ee\u5f55\u4e2d\u521b\u5efa\u786c\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6root\u6743\u9650\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": "Gentoo net-misc/vde\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gentoo net-misc/vde package \u003c2.3.2-r4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-16638",
  "serverity": "\u9ad8",
  "submitTime": "2017-11-07",
  "title": "Gentoo net-misc/vde\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2017-16638 (GCVE-0-2017-16638)

Vulnerability from cvelistv5 – Published: 2017-11-06 23:00 – Updated: 2024-08-05 20:27

Summary

The Gentoo net-misc/vde package before version 2.3.2-r4 may allow members of the "qemu" group to gain root privileges by creating a hard link in a directory on which "chown" is called recursively by the OpenRC service script.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://bugs.gentoo.org/603382	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201711-11	vendor-advisoryx_refsource_GENTOO

Date Public

2017-11-06 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.