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.

Show details on source website

JSON

To clipboard

{
  "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

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

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:37:57.918Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/karelzak/util-linux/issues/539"
          },
          {
            "name": "DSA-4134",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4134"
          },
          {
            "name": "103367",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/103367"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.debian.org/892179"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55"
          },
          {
            "name": "USN-4512-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4512-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-03-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-25T17:06:19",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/karelzak/util-linux/issues/539"
        },
        {
          "name": "DSA-4134",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4134"
        },
        {
          "name": "103367",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/103367"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugs.debian.org/892179"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55"
        },
        {
          "name": "USN-4512-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4512-1/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-7738",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/karelzak/util-linux/issues/539",
              "refsource": "MISC",
              "url": "https://github.com/karelzak/util-linux/issues/539"
            },
            {
              "name": "DSA-4134",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4134"
            },
            {
              "name": "103367",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/103367"
            },
            {
              "name": "https://bugs.debian.org/892179",
              "refsource": "MISC",
              "url": "https://bugs.debian.org/892179"
            },
            {
              "name": "https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55",
              "refsource": "MISC",
              "url": "https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55"
            },
            {
              "name": "USN-4512-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4512-1/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-7738",
    "datePublished": "2018-03-06T22:00:00",
    "dateReserved": "2018-03-06T00:00:00",
    "dateUpdated": "2024-08-05T06:37:57.918Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted