Vulnerability-Lookup

GHSA-JH5X-7C5F-4C44

Vulnerability from github – Published: 2022-05-13 01:16 – Updated: 2024-12-13 15:30

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.

Severity ?

7.8 (High)


                  
                    CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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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": "2024-12-13T15:30:38Z",
  "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://security.netapp.com/advisory/ntap-20241213-0002"
    },
    {
      "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 (GCVE-0-2018-7738)

Vulnerability from cvelistv5 – Published: 2018-03-06 22:00 – Updated: 2024-12-13 13:09

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/karelzak/util-linux/issues/539	x_refsource_MISC
	https://www.debian.org/security/2018/dsa-4134	vendor-advisoryx_refsource_DEBIAN
	http://www.securityfocus.com/bid/103367	vdb-entryx_refsource_BID
	https://bugs.debian.org/892179	x_refsource_MISC
	https://github.com/karelzak/util-linux/commit/75f…	x_refsource_MISC
	https://usn.ubuntu.com/4512-1/	vendor-advisoryx_refsource_UBUNTU

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            ],
            "url": "https://github.com/karelzak/util-linux/issues/539"
          },
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            "tags": [
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            ],
            "url": "https://www.debian.org/security/2018/dsa-4134"
          },
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            "name": "103367",
            "tags": [
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            "url": "https://bugs.debian.org/892179"
          },
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          },
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          },
          {
            "url": "https://security.netapp.com/advisory/ntap-20241213-0002/"
          }
        ],
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    "cna": {
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    "dateReserved": "2018-03-06T00:00:00",
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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

GHSA-JH5X-7C5F-4C44

CVE-2018-7738 (GCVE-0-2018-7738)

Tags

Sightings

Nomenclature