CVE-2015-5292 (GCVE-0-2015-5292)

Vulnerability from cvelistv5 – Published: 2015-10-29 16:00 – Updated: 2024-08-06 06:41
VLAI
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.
Severity
No CVSS data available.
CWE
  • n/a
Date Public
2015-10-11 00:00
Show details on NVD website

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                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.11.7:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8041D271-F9DF-452F-BC4E-9F69B4A0F3A3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.12.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2783866D-0DE2-4E92-90CB-53DA9B914A21",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.12.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2C7D641D-E018-4EC1-9416-5C788C9F1107",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.12.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4C81F4DF-4190-4D9B-8C1B-CD51B4678B93",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.12.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F52B44E7-71AB-4028-B9A3-E80508EF0AE7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.12.4:*:*:*:*:*:*:*",
                    "matchCriteriaId": "68D7CEC8-8D38-451D-B9C3-A68224125906",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.12.5:*:*:*:*:*:*:*",
                    "matchCriteriaId": "09EAA45E-0F9E-4E04-BB81-C91E3357B030",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:fedoraproject:sssd:1.13.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9E3A3029-5612-47C4-8F32-0209F4733AF7",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "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": "2026-05-06T22:30:45.220",
        "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",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2015-2019.html"
          },
          {
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            "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"
          },
          {
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            "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"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-27T09:06:14+00:00",
      "cve": "CVE-2015-5292",
      "id": "CVE-2015-5292",
      "initial_release_date": "2015-09-23T00:00:00+00:00",
      "product_status:fixed": "573",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "sssd: memory leak in the sssd_pac_plugin",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-5292.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-05-09T03:11:15Z",
      "cve": "CVE-2015-5292",
      "id": "CVE-2015-5292",
      "initial_release_date": "2023-02-15T05:16:20Z",
      "product_status:known_not_affected": "93",
      "product_status:recommended": "27",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-5292",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-5292.json",
      "version": "8"
    }
  }
}



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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

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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.
  • 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.

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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.


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