rhsa-2020_2106
Vulnerability from csaf_redhat
Published
2020-05-12 16:43
Modified
2024-11-05 22:12
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.3.8 security update on RHEL 6

Notes

Topic
New Red Hat Single Sign-On 7.3.8 packages are now available for Red Hat Enterprise Linux 6. Red 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.
Details
Red Hat Single Sign-On 7.3 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.3.8 on RHEL 6 serves as a replacement for Red Hat Single Sign-On 7.3.7, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es): * keycloak: security issue on reset credential flow (CVE-2020-1718) * keycloak: improper verification of certificate with host mismatch could result in information disclosure (CVE-2020-1758) * keycloak: problem with privacy after user logout (CVE-2020-1724) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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        "text": "New Red Hat Single Sign-On 7.3.8 packages are now available for Red Hat Enterprise Linux 6.\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.",
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        "text": "Red Hat Single Sign-On 7.3 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis release of Red Hat Single Sign-On 7.3.8 on RHEL 6 serves as a replacement for Red Hat Single Sign-On 7.3.7, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.\n\nSecurity Fix(es):\n\n* keycloak: security issue on reset credential flow (CVE-2020-1718)\n\n* keycloak: improper verification of certificate with host mismatch could result in information disclosure (CVE-2020-1758)\n\n* keycloak: problem with privacy after user logout (CVE-2020-1724)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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    "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.3.8 security update on RHEL 6",
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        {
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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        }
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-1718"
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          "summary": "RHBZ#1796756",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1796756"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-1718",
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        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-1718",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1718"
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      "release_date": "2020-05-12T00:00:00+00:00",
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          "date": "2020-05-12T16:43:06+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "url": "https://access.redhat.com/errata/RHSA-2020:2106"
        },
        {
          "category": "workaround",
          "details": "Disable reset credential flow.",
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      ],
      "scores": [
        {
          "cvss_v3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "6Server-RHSSO-7.3:rh-sso7-keycloak-server-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch"
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      "threats": [
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          "details": "Important"
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      ],
      "title": "keycloak: security issue on reset credential flow"
    },
    {
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            "Francesco Cusinato"
          ]
        }
      ],
      "cve": "CVE-2020-1724",
      "cwe": {
        "id": "CWE-613",
        "name": "Insufficient Session Expiration"
      },
      "discovery_date": "2020-02-07T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1800527"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keycloak. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: problem with privacy after user logout",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-1724"
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        {
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1724"
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      ],
      "release_date": "2020-05-07T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-12T16:43:06+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:2106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.src",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-server-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "keycloak: problem with privacy after user logout"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Peter St\u00f6ckli"
          ]
        }
      ],
      "cve": "CVE-2020-1758",
      "cwe": {
        "id": "CWE-297",
        "name": "Improper Validation of Certificate with Host Mismatch"
      },
      "discovery_date": "2020-03-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1812514"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keycloak, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: improper verification of certificate with host mismatch could result in information disclosure",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "summary": "Canonical URL",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1758"
        },
        {
          "category": "external",
          "summary": "https://issues.redhat.com/browse/KEYCLOAK-13285",
          "url": "https://issues.redhat.com/browse/KEYCLOAK-13285"
        }
      ],
      "release_date": "2020-05-12T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-12T16:43:06+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.src",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-server-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2106"
        },
        {
          "category": "workaround",
          "details": "Turn off all kinds of email notifications including password reset mails.",
          "product_ids": [
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.src",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-server-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso.src",
            "6Server-RHSSO-7.3:rh-sso7-keycloak-server-0:4.8.20-1.Final_redhat_00001.1.el6sso.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: improper verification of certificate with host mismatch could result in information disclosure"
    }
  ]
}


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