rhsa-2020_4929
Vulnerability from csaf_redhat
Published
2020-11-04 19:31
Modified
2024-11-05 22:57
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.3 security update on RHEL 6

Notes

Topic
New Red Hat Single Sign-On 7.4.3 packages are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 7.4 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 7.4.3 security update on RHEL 6 serves as a replacement for Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es): * keycloak: user can manage resources with just "view-profile" role using new Account Console (CVE-2020-14389) * keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS (CVE-2020-10776) For more details about the security issue(s), including the impact, a CVSS score, 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": "Red Hat Single Sign-On 7.4 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 7.4.3 security update on RHEL 6 serves as a replacement for Red Hat Single Sign-On 7.4.2, 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: user can manage resources with just \"view-profile\" role using new Account Console (CVE-2020-14389)\n\n* keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS (CVE-2020-10776)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Lauritz Holtmann"
          ],
          "organization": "Chair for Network and Data Security at Ruhr University Bochum"
        }
      ],
      "cve": "CVE-2020-10776",
      "cwe": {
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        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
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          "text": "A flaw was found in Keycloak, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.",
          "title": "Vulnerability description"
        },
        {
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          "text": "keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS",
          "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.",
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        }
      ],
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1847428"
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      "release_date": "2020-11-04T00:00:00+00:00",
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          "date": "2020-11-04T19:31:50+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-2020:4929"
        },
        {
          "category": "workaround",
          "details": "Trusted Hosts Policy could be used to mitigate this attack : \nhttps://www.keycloak.org/docs/latest/securing_apps/index.html#client-registration-policies",
          "product_ids": [
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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            "6Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.9-1.redhat_00001.1.el6sso.src",
            "6Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.9-1.redhat_00001.1.el6sso.noarch"
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      "threats": [
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          "details": "Low"
        }
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      "title": "keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "V\u00e1clav Muzik\u00e1\u0159"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
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      "cwe": {
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        "name": "Use of Password Hash With Insufficient Computational Effort"
      },
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      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1875843"
        }
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          "text": "A flaw was found in Keycloak, where it would permit a user with a view-profile role to manage the resources in the new account console. This flaw allows a user with a view-profile role to access and modify data for which the user does not have adequate permission.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: user can manage resources with just \"view-profile\" role using new Account Console",
          "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-2020-14389"
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      ],
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      "remediations": [
        {
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          "date": "2020-11-04T19:31:50+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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            "6Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.9-1.redhat_00001.1.el6sso.noarch"
          ],
          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:4929"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "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:N",
            "version": "3.1"
          },
          "products": [
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            "6Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.9-1.redhat_00001.1.el6sso.src",
            "6Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.9-1.redhat_00001.1.el6sso.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: user can manage resources with just \"view-profile\" role using new Account Console"
    }
  ]
}


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