Vulnerability-Lookup

CNVD-2020-64758

Vulnerability from cnvd - Published: 2020-11-20

Title

OpenRC后置链接漏洞

Description

OpenRC是OpenRC团队的一个基于提供init程序的初始化系统。 OpenRC 0.42.1及之前版本存在安全漏洞，该漏洞源于在OpenRC到0.42.1中的checkpath可能允许本地用户获得任意文件的所有权，因为非终端路径组件可以是符号链接。目前没有详细漏洞细节提供。

Severity

低

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/OpenRC/openrc/issues/201

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-21269

Impacted products

Name
OpenRC OpenRC <=0.42.1

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-21269",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-21269"
    }
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  "description": "OpenRC\u662fOpenRC\u56e2\u961f\u7684\u4e00\u4e2a\u57fa\u4e8e\u63d0\u4f9binit\u7a0b\u5e8f\u7684\u521d\u59cb\u5316\u7cfb\u7edf\u3002\n\nOpenRC 0.42.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728OpenRC\u52300.42.1\u4e2d\u7684checkpath\u53ef\u80fd\u5141\u8bb8\u672c\u5730\u7528\u6237\u83b7\u5f97\u4efb\u610f\u6587\u4ef6\u7684\u6240\u6709\u6743\uff0c\u56e0\u4e3a\u975e\u7ec8\u7aef\u8def\u5f84\u7ec4\u4ef6\u53ef\u4ee5\u662f\u7b26\u53f7\u94fe\u63a5\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/OpenRC/openrc/issues/201",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-64758",
  "openTime": "2020-11-20",
  "products": {
    "product": "OpenRC OpenRC \u003c=0.42.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-21269",
  "serverity": "\u4f4e",
  "submitTime": "2020-11-04",
  "title": "OpenRC\u540e\u7f6e\u94fe\u63a5\u6f0f\u6d1e"
}

CVE-2018-21269 (GCVE-0-2018-21269)

Vulnerability from cvelistv5 – Published: 2020-10-27 03:42 – Updated: 2024-08-05 12:26

Summary

checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/OpenRC/openrc/issues/201	x_refsource_MISC

Show details on NVD website

JSON

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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.