FKIE_CVE-2015-5292

Vulnerability from fkie_nvd - Published: 2015-10-29 16:59 - Updated: 2026-06-17 00:28
Severity
Summary
Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Services Daemon (SSSD) 1.10 before 1.13.1 allows remote authenticated users to cause a denial of service (memory consumption) via a large number of logins that trigger parsing of PAC blobs during Kerberos authentication.
References
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html
secalert@redhat.comhttp://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422Vendor Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2015-2019.html
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2015-2355.html
secalert@redhat.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
secalert@redhat.comhttp://www.securityfocus.com/bid/77529
secalert@redhat.comhttp://www.securitytracker.com/id/1034038
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1267580
secalert@redhat.comhttps://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch
secalert@redhat.comhttps://fedorahosted.org/sssd/ticket/2803
secalert@redhat.comhttps://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html
af854a3a-2127-422b-91ae-364da2661108http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2015-2019.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2015-2355.html
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/77529
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034038
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1267580
af854a3a-2127-422b-91ae-364da2661108https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch
af854a3a-2127-422b-91ae-364da2661108https://fedorahosted.org/sssd/ticket/2803
af854a3a-2127-422b-91ae-364da2661108https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1
Impacted products
Vendor Product Version
fedoraproject sssd 1.10.0
fedoraproject sssd 1.10.1
fedoraproject sssd 1.11.0
fedoraproject sssd 1.11.1
fedoraproject sssd 1.11.2
fedoraproject sssd 1.11.3
fedoraproject sssd 1.11.4
fedoraproject sssd 1.11.5
fedoraproject sssd 1.11.6
fedoraproject sssd 1.11.7
fedoraproject sssd 1.12.0
fedoraproject sssd 1.12.1
fedoraproject sssd 1.12.2
fedoraproject sssd 1.12.3
fedoraproject sssd 1.12.4
fedoraproject sssd 1.12.5
fedoraproject sssd 1.13.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
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          "cpeMatch": [
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          "negate": false,
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Services Daemon (SSSD) 1.10 before 1.13.1 allows remote authenticated users to cause a denial of service (memory consumption) via a large number of logins that trigger parsing of PAC blobs during Kerberos authentication."
    },
    {
      "lang": "es",
      "value": "Fuga de memoria en el plugin en Privilege Attribute Certificate (PAC) responder (sssd_pac_plugin.so) en System Security Services Daemon (SSSD) 1.10 en versiones anteriores a 1.13.1 permite a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de un gran n\u00famero de logins que desencadenan an\u00e1lisis gramaticales de blobs de PAC durante la autenticaci\u00f3n Kerberos."
    }
  ],
  "id": "CVE-2015-5292",
  "lastModified": "2026-06-17T00:28:49.930",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-10-29T16:59:00.117",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://rhn.redhat.com/errata/RHSA-2015-2019.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://rhn.redhat.com/errata/RHSA-2015-2355.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/77529"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id/1034038"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1267580"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://fedorahosted.org/sssd/ticket/2803"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
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      "tags": [
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      "url": "http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2015-2019.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2015-2355.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/77529"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034038"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1267580"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://fedorahosted.org/sssd/ticket/2803"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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