FKIE_CVE-2018-16838

Vulnerability from fkie_nvd - Published: 2019-03-25 18:29 - Updated: 2024-11-21 03:53
Severity ?
5.4 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.4 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Summary
A flaw was found in sssd Group Policy Objects implementation. When the GPO is not readable by SSSD due to a too strict permission settings on the server side, SSSD will allow all authenticated users to login instead of denying access.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:2177
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:2437
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:3651
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2177
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2437
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3651
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
Impacted products
Vendor Product Version
fedoraproject sssd -
redhat enterprise_linux 7.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fedoraproject:sssd:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B0ABAA03-C8E0-4281-AF60-D29246CA6B2D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
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              "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A",
              "vulnerable": true
            }
          ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in sssd Group Policy Objects implementation. When the GPO is not readable by SSSD due to a too strict permission settings on the server side, SSSD will allow all authenticated users to login instead of denying access."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un error en la implementaci\u00f3n de sssd Group Policy Objects. Cuando el GPO no puede ser le\u00eddo por SSSD debido a ajustes de permisos demasiado estrictos del lado del servidor, SSSD permitir\u00e1 que todos los usuarios autenticados inicien sesi\u00f3n, en lugar de denegar el acceso."
    }
  ],
  "id": "CVE-2018-16838",
  "lastModified": "2024-11-21T03:53:24.937",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "confidentialityImpact": "PARTIAL",
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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    ],
    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.0"
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        "impactScore": 2.5,
        "source": "secalert@redhat.com",
        "type": "Secondary"
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
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        "source": "nvd@nist.gov",
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  "published": "2019-03-25T18:29:00.433",
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.html"
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    },
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      "url": "https://access.redhat.com/errata/RHSA-2019:2177"
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      "url": "https://access.redhat.com/errata/RHSA-2019:2437"
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html"
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
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      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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