github - ghsa-jh5x-7c5f-4c44

ghsa-jh5x-7c5f-4c44

Vulnerability from github

Published

2022-05-13 01:16

Modified

2022-05-13 01:16

Severity ?

7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.

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{
  "affected": [],
  "aliases": [
    "CVE-2018-7738"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-03-07T02:29:00Z",
    "severity": "HIGH"
  },
  "details": "In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.",
  "id": "GHSA-jh5x-7c5f-4c44",
  "modified": "2022-05-13T01:16:06Z",
  "published": "2022-05-13T01:16:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7738"
    },
    {
      "type": "WEB",
      "url": "https://github.com/karelzak/util-linux/issues/539"
    },
    {
      "type": "WEB",
      "url": "https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55"
    },
    {
      "type": "WEB",
      "url": "https://bugs.debian.org/892179"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4512-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4134"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103367"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2018-7738

Vulnerability from cvelistv5

Published

2018-03-06 22:00

Modified

2024-08-05 06:37

Severity ?

Summary

In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.

References

▼	URL	Tags
	https://github.com/karelzak/util-linux/issues/539	x_refsource_MISC
	https://www.debian.org/security/2018/dsa-4134	vendor-advisory, x_refsource_DEBIAN
	http://www.securityfocus.com/bid/103367	vdb-entry, x_refsource_BID
	https://bugs.debian.org/892179	x_refsource_MISC
	https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55	x_refsource_MISC
	https://usn.ubuntu.com/4512-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

To clipboard

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