cnvd - cnvd-2021-01566

cnvd-2021-01566

Vulnerability from cnvd

Title: OpenDKIM权限提升漏洞

Description:

Opendkim是Opendkim组织的一个基于C语言的DKIM发件人身份验证系统的软件。

OpenDKIM 2.10.3版本及之前版本存在权限提升漏洞，该漏洞源于未能正确的程序对高级本地过程的调用，本地用户通过对tmp testkeys文件(与t-testdata相关)的符号链接攻击获得特权。目前没有详细漏洞细节提供。

Severity: 中

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新：https://github.com/trusteddomainproject/OpenDKIM/issues/113

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-35766

Impacted products

Name
Opendkim OpenDKIM <=2.10.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35766",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35766"
    }
  },
  "description": "Opendkim\u662fOpendkim\u7ec4\u7ec7\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684DKIM\u53d1\u4ef6\u4eba\u8eab\u4efd\u9a8c\u8bc1\u7cfb\u7edf\u7684\u8f6f\u4ef6\u3002\n\nOpenDKIM 2.10.3\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u7684\u7a0b\u5e8f\u5bf9\u9ad8\u7ea7\u672c\u5730\u8fc7\u7a0b\u7684\u8c03\u7528\uff0c\u672c\u5730\u7528\u6237\u901a\u8fc7\u5bf9tmp testkeys\u6587\u4ef6(\u4e0et-testdata\u76f8\u5173)\u7684\u7b26\u53f7\u94fe\u63a5\u653b\u51fb\u83b7\u5f97\u7279\u6743\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1ahttps://github.com/trusteddomainproject/OpenDKIM/issues/113",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-01566",
  "openTime": "2021-01-09",
  "products": {
    "product": "Opendkim OpenDKIM \u003c=2.10.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35766",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-29",
  "title": "OpenDKIM\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2020-35766 (GCVE-0-2020-35766)

Vulnerability from cvelistv5

Published

2020-12-28 19:21

Modified

2024-08-04 17:09

Severity ?

CWE

Summary

The test suite in libopendkim in OpenDKIM through 2.10.3 allows local users to gain privileges via a symlink attack against the /tmp/testkeys file (related to t-testdata.h, t-setup.c, and t-cleanup.c). NOTE: this is applicable to persons who choose to engage in the "A number of self-test programs are included here for unit-testing the library" situation.

References

▼	URL	Tags
	https://github.com/trusteddomainproject/OpenDKIM/issues/113	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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