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

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-21269",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-21269"
    }
  },
  "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

References

URL

Tags

https://github.com/OpenRC/openrc/issues/201

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T12:26:39.489Z",
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            "url": "https://github.com/OpenRC/openrc/issues/201"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "vendor": "n/a",
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              "type": "text"
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      ],
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        "dateUpdated": "2020-10-27T03:42:32.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/OpenRC/openrc/issues/201"
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      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2018-21269",
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "dateReserved": "2020-10-27T00:00:00.000Z",
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2020-64758

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

Tags

Sightings

Nomenclature