ghsa-v5f6-rpxq-xvg8
Vulnerability from github
Published
2023-11-07 21:30
Modified
2023-11-07 21:30
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4154"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-11-07T20:15:08Z",
    "severity": "HIGH"
  },
  "details": "A design flaw was found in Samba\u0027s DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.",
  "id": "GHSA-v5f6-rpxq-xvg8",
  "modified": "2023-11-07T21:30:24Z",
  "published": "2023-11-07T21:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4154"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-4154"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241883"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.samba.org/show_bug.cgi?id=15424"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231124-0002"
    },
    {
      "type": "WEB",
      "url": "https://www.samba.org/samba/security/CVE-2023-4154.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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