GHSA-VH47-792W-24M4

Vulnerability from github – Published: 2022-05-24 17:04 – Updated: 2024-03-21 03:33
VLAI
Details

In Sudo through 1.8.29, the fact that a user has been blocked (e.g., by using the ! character in the shadow file instead of a password hash) is not considered, allowing an attacker (who has access to a Runas ALL sudoer account) to impersonate any blocked user.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2019-19234"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-12-19T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In Sudo through 1.8.29, the fact that a user has been blocked (e.g., by using the ! character in the shadow file instead of a password hash) is not considered, allowing an attacker (who has access to a Runas ALL sudoer account) to impersonate any blocked user.",
  "id": "GHSA-vh47-792w-24m4",
  "modified": "2024-03-21T03:33:48Z",
  "published": "2022-05-24T17:04:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-19234"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/plugins/nessus/132985"
    },
    {
      "type": "WEB",
      "url": "https://www.suse.com/security/cve/CVE-2019-19234"
    },
    {
      "type": "WEB",
      "url": "https://www.sudo.ws/stable.html"
    },
    {
      "type": "WEB",
      "url": "https://www.sudo.ws/devel.html#1.8.30b2"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/bulletinapr2020.html"
    },
    {
      "type": "WEB",
      "url": "https://www.bsi.bund.de/SharedDocs/Warnmeldungen/DE/CB/2019/12/warnmeldung_cb-k20-0001.html"
    },
    {
      "type": "WEB",
      "url": "https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=LIN1019-3816"
    },
    {
      "type": "WEB",
      "url": "https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=LIN1018-5505"
    },
    {
      "type": "WEB",
      "url": "https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2019-19234"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200103-0004"
    },
    {
      "type": "WEB",
      "url": "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs60748"
    },
    {
      "type": "WEB",
      "url": "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58979"
    },
    {
      "type": "WEB",
      "url": "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58812"
    },
    {
      "type": "WEB",
      "url": "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58772"
    },
    {
      "type": "WEB",
      "url": "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58473"
    },
    {
      "type": "WEB",
      "url": "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58104"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/cve-2019-19234"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.