cnvd - cnvd-2018-03091

cnvd-2018-03091

Vulnerability from cnvd

Title: GNU Coreutils任意文件修改漏洞

Description:

GNU Coreutils（GNU Core Utilities，GNU核心工具组）是GNU计划开发的一个包含了多个类Unix所需的基本工具的软件包，如textutils（文本工具组）、shellutils（shell工具组）、fileutils（文件工具组）等。

GNU Coreutils存在安全漏洞，该漏洞源于chown和chgrp中的hown-core.c文件未能阻止使用符号链接替换特定的文件。本地攻击者可利用该漏洞更改任意文件的所有权。

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.gnu.org

Reference: http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html

Impacted products

Name
GNU Coreutils <=8.29

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2017-18018",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18018"
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  "discovererName": "unknown",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-03091",
  "openTime": "2018-02-09",
  "products": {
    "product": "GNU Coreutils \u003c=8.29"
  },
  "referenceLink": "http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html",
  "serverity": "\u4f4e",
  "submitTime": "2018-01-08",
  "title": "GNU Coreutils\u4efb\u610f\u6587\u4ef6\u4fee\u6539\u6f0f\u6d1e"
}

CVE-2017-18018 (GCVE-0-2017-18018)

Vulnerability from cvelistv5

Published

2018-01-04 04:00

Modified

2025-06-09 15:57

Severity ?

7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CWE

Summary

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.

References

▼	URL	Tags
	http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html	x_refsource_MISC

Impacted products

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

Show details on NVD website

JSON

To clipboard

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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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