Vulnerability-Lookup

CNVD-2020-03936

Vulnerability from cnvd - Published: 2020-02-06

Title

Gentoo Portage存在未明漏洞

Description

Gentoo是Gentoo基金会的一套开源的Linux系统。Gentoo Portage是其中的一个软件包管理器。 Gentoo Portage 2.3.84及之前版本中存在安全漏洞，该漏洞源于在对emake调用和fowners对调用之间，/usr/lib64/nagios/plugins目录可以被执行写入操作，本地攻击者可利用该漏洞向该目录中注入恶意插件。

Severity

低

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.gentoo.org/

Reference

https://bugs.gentoo.org/692492 https://nvd.nist.gov/vuln/detail/CVE-2019-20384

Impacted products

Name
Gentoo portage <=2.3.84

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20384",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20384"
    }
  },
  "description": "Gentoo\u662fGentoo\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5f00\u6e90\u7684Linux\u7cfb\u7edf\u3002Gentoo Portage\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668\u3002\n\nGentoo Portage 2.3.84\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5bf9emake\u8c03\u7528\u548cfowners\u5bf9\u8c03\u7528\u4e4b\u95f4\uff0c/usr/lib64/nagios/plugins\u76ee\u5f55\u53ef\u4ee5\u88ab\u6267\u884c\u5199\u5165\u64cd\u4f5c\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u8be5\u76ee\u5f55\u4e2d\u6ce8\u5165\u6076\u610f\u63d2\u4ef6\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.gentoo.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-03936",
  "openTime": "2020-02-06",
  "products": {
    "product": "Gentoo portage \u003c=2.3.84"
  },
  "referenceLink": "https://bugs.gentoo.org/692492\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20384",
  "serverity": "\u4f4e",
  "submitTime": "2020-01-20",
  "title": "Gentoo Portage\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2019-20384 (GCVE-0-2019-20384)

Vulnerability from cvelistv5 – Published: 2020-01-20 23:52 – Updated: 2024-08-05 02:39

Summary

Gentoo Portage through 2.3.84 allows local users to place a Trojan horse plugin in the /usr/lib64/nagios/plugins directory by leveraging access to the nagios user account, because this directory is writable in between a call to emake and a call to fowners.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2287 records in the last 180 days details

References

2 references

URL	Tags
https://bugs.gentoo.org/692492	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/01/21/1	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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            "name": "[oss-security] 20200121 CVE-2019-20384: Portage insecure temporary location",
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            "url": "http://www.openwall.com/lists/oss-security/2020/01/21/1"
          }
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      "providerMetadata": {
        "dateUpdated": "2020-01-21T21:06:10.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      "references": [
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          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2020/01/21/1"
        }
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          "ID": "CVE-2019-20384",
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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.

Vulnerability timeline

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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.

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