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        "category": "summary",
        "text": "An update for ipsilon is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
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        "text": "The ipsilon packages provide the Ipsilon identity provider service for federated single sign-on (SSO). Ipsilon links authentication providers and applications or utilities to allow for SSO. It includes a server and utilities to configure Apache-based service providers.\n\nSecurity Fix(es):\n\n* A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions. (CVE-2016-8638)\n\nThis issue was discovered by Patrick Uiterwijk (Red Hat) and Howard Johnson.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
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          ]
        },
        {
          "names": [
            "Patrick Uiterwijk"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
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      "cwe": {
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        "name": "Improper Authentication"
      },
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      "ids": [
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          "text": "1392829"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "ipsilon: DoS via logging out all open SAML2 sessions",
          "title": "Vulnerability summary"
        },
        {
          "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"
        }
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          "url": "https://access.redhat.com/errata/RHSA-2016:2809"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "7Server-7.3.Z:ipsilon-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-0:1.0.0-13.el7_3.src",
            "7Server-7.3.Z:ipsilon-authform-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-authgssapi-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-authldap-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-base-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-client-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-filesystem-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-infosssd-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-persona-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-saml2-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-saml2-base-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-tools-ipa-0:1.0.0-13.el7_3.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "ipsilon: DoS via logging out all open SAML2 sessions"
    }
  ]
}