{
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      "text": "High"
    },
    "category": "csaf_vex",
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    "distribution": {
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        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
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      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
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        "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu18.04els/vex/2023/cve-2023-7090-els_os-ubuntu18_04els.json"
      }
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      "generator": {
        "date": "2026-06-14T03:38:08Z",
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          "date": "2023-12-23T23:15:00Z",
          "number": "1",
          "summary": "Initial version"
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        {
          "date": "2025-11-29T14:40:02Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T22:15:38Z",
          "number": "3",
          "summary": "Update document"
        },
        {
          "date": "2026-06-13T08:34:36Z",
          "number": "4",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "4"
    },
    "title": "Security update on CVE-2023-7090"
  },
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        "relates_to_product_reference": "Ubuntu-18"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-7090",
      "cwe": {
        "id": "CWE-269",
        "name": "Improper Privilege Management"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in sudo in the handling of ipa_hostname, where ipa_hostname from /etc/sssd/sssd.conf was not propagated in sudo. Therefore, it leads to privilege mismanagement vulnerability in applications, where client hosts retain privileges even after retracting them.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64",
          "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64",
          "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64",
          "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64",
          "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64",
          "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2023-7090"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2023-7090",
          "url": "https://access.redhat.com/security/cve/CVE-2023-7090"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2255723",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255723"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2024/02/msg00002.html",
          "url": "https://lists.debian.org/debian-lts-announce/2024/02/msg00002.html"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20240208-0001/",
          "url": "https://security.netapp.com/advisory/ntap-20240208-0001/"
        },
        {
          "category": "external",
          "summary": "https://www.sudo.ws/releases/legacy/#1.8.28",
          "url": "https://www.sudo.ws/releases/legacy/#1.8.28"
        }
      ],
      "release_date": "2023-12-23T23:15:00Z",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64",
            "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64",
            "Ubuntu-18:sudo-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64",
            "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els1.amd64",
            "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64",
            "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-06-12T12:58:28.890625Z",
          "details": "Not vulnerable: this flaw was introduced by a regression in sudo 1.8.24 that dropped the special handling of ipa_hostname and remained until it was restored in 1.8.28. The stated version, sudo 1.8.21, predates that regression and continues to propagate ipa_hostname from SSSD, so the affected code path is not present. Although a mailing‑list thread discussed symptoms around 1.8.23, the upstream analysis attributes the breakage to 1.8.24, which does not include 1.8.21.",
          "product_ids": [
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            "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els2.amd64",
            "Ubuntu-18:sudo-ldap-0:1.8.21p2-3ubuntu1.6+tuxcare.els3.amd64"
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}