rhsa-2022_8961
Vulnerability from csaf_redhat
Published
2022-12-13 14:02
Modified
2024-11-06 02:08
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 7

Notes

Topic
New Red Hat Single Sign-On 7.6.1 packages are now available for Red Hat Enterprise Linux 7. 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 7.6 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 7.6.1 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.1, and includes the security fixes listed below. Security Fix(es): * keycloak: path traversal via double URL encoding (CVE-2022-3782) * keycloak: Session takeover with OIDC offline refreshtokens (CVE-2022-3916) 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.


To clipboard 

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        "text": "New Red Hat Single Sign-On 7.6.1 packages are 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.",
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        "text": "Red Hat Single Sign-On 7.6 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 7.6.1 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.1, and includes the security fixes listed below.\n\nSecurity Fix(es):\n\n* keycloak: path traversal via double URL encoding (CVE-2022-3782)\n\n* keycloak: Session takeover with OIDC offline refreshtokens (CVE-2022-3916)\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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        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
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      "ids": [
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          "text": "A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.",
          "title": "Vulnerability description"
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        {
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          "text": "keycloak: path traversal via double URL encoding",
          "title": "Vulnerability summary"
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        {
          "category": "other",
          "text": "Red Hat Build of Quarkus is not impacted as this CVE affects the server-side Keycloak execution but Quarkus only acts as a Keycloak client in its quarkus-keycloak-authorization extension. For this reason Quarkus is marked with Low impact.",
          "title": "Statement"
        },
        {
          "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"
        }
      ],
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-3782"
        },
        {
          "category": "external",
          "summary": "RHBZ#2138971",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2138971"
        },
        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-3782",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-3782"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-3782",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3782"
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      ],
      "release_date": "2022-12-12T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2022-12-13T14:02:36+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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      "scores": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
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            "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.3-1.redhat_00002.1.el7sso.src",
            "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.3-1.redhat_00002.1.el7sso.noarch"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "keycloak: path traversal via double URL encoding"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Peter Flintholm"
          ],
          "organization": "Trifork"
        }
      ],
      "cve": "CVE-2022-3916",
      "cwe": {
        "id": "CWE-384",
        "name": "Session Fixation"
      },
      "discovery_date": "2022-11-09T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2141404"
        }
      ],
      "notes": [
        {
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          "text": "A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user.",
          "title": "Vulnerability description"
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          "text": "keycloak: Session takeover with OIDC offline refreshtokens",
          "title": "Vulnerability summary"
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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.",
          "title": "CVSS score applicability"
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-3916"
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3916"
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      "remediations": [
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
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            "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.3-1.redhat_00002.1.el7sso.src",
            "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.3-1.redhat_00002.1.el7sso.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: Session takeover with OIDC offline refreshtokens"
    }
  ]
}


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