rhsa-2017_2904
Vulnerability from csaf_redhat
Published
2017-10-17 19:53
Modified
2024-09-13 13:38
Summary
Red Hat Security Advisory: rh-sso7-keycloak security update

Notes

Topic
An update for rh-sso7-keycloak is now available for Red Hat Single Sign-On 7.1 for RHEL 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 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 7.1.3 serves as a replacement for Red Hat Single Sign-On 7.1.2, and includes several bug fixes and enhancements. For further information, refer to the Release Notes linked to in the References section. Security Fix(es): * It was found that keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server. (CVE-2017-12158) * It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks. (CVE-2017-12159) * It was found that libpam4j did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information. (CVE-2017-12197) * It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks. (CVE-2017-12160) Red Hat would like to thank Mykhailo Stadnyk (Playtech) for reporting CVE-2017-12158; Prapti Mittal for reporting CVE-2017-12159; and Bart Toersche (Simacan) for reporting CVE-2017-12160. The CVE-2017-12197 issue was discovered by Christian Heimes (Red Hat).
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": "An update for rh-sso7-keycloak is now available for Red Hat Single Sign-On 7.1 for RHEL 6.\n\nRed 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.",
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        "text": "Red Hat Single Sign-On 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 7.1.3 serves as a replacement for Red Hat Single Sign-On 7.1.2, and includes several bug fixes and enhancements. For further information, refer to the Release Notes linked to in the References section.\n\nSecurity Fix(es):\n\n* It was found that keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server. (CVE-2017-12158)\n\n* It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks. (CVE-2017-12159)\n\n* It was found that libpam4j did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information. (CVE-2017-12197)\n\n* It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks. (CVE-2017-12160)\n\nRed Hat would like to thank Mykhailo Stadnyk (Playtech) for reporting CVE-2017-12158; Prapti Mittal for reporting CVE-2017-12159; and Bart Toersche (Simacan) for reporting CVE-2017-12160. The CVE-2017-12197 issue was discovered by Christian Heimes (Red Hat).",
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      "release_date": "2017-02-20T00:00:00+00:00",
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          "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",
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          "title": "Vulnerability description"
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      "release_date": "2017-10-17T00:00:00+00:00",
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          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: reflected XSS using HOST header"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Prapti Mittal"
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        }
      ],
      "cve": "CVE-2017-12159",
      "cwe": {
        "id": "CWE-613",
        "name": "Insufficient Session Expiration"
      },
      "discovery_date": "2017-08-17T00:00:00+00:00",
      "ids": [
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          "text": "1484111"
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      "notes": [
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          "text": "It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.",
          "title": "Vulnerability description"
        },
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          "text": "keycloak: CSRF token fixation",
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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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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-12159"
        },
        {
          "category": "external",
          "summary": "RHBZ#1484111",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1484111"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-12159",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-12159"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-12159",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12159"
        }
      ],
      "release_date": "2017-10-17T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "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": [
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2904"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: CSRF token fixation"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Bart Toersche"
          ],
          "organization": "Simacan"
        }
      ],
      "cve": "CVE-2017-12160",
      "cwe": {
        "id": "CWE-285",
        "name": "Improper Authorization"
      },
      "discovery_date": "2017-08-17T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1484154"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: resource privilege extension via access token in oauth",
          "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": {
        "fixed": [
          "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
          "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
          "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-12160"
        },
        {
          "category": "external",
          "summary": "RHBZ#1484154",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1484154"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-12160",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-12160"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-12160",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12160"
        }
      ],
      "release_date": "2017-10-17T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "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": [
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2904"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "keycloak: resource privilege extension via access token in oauth"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Christian Heimes"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2017-12197",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "discovery_date": "2017-09-12T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1503103"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was found that libpam4j did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libpam4j: Account check bypass",
          "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": {
        "fixed": [
          "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
          "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
          "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-12197"
        },
        {
          "category": "external",
          "summary": "RHBZ#1503103",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1503103"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-12197",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-12197"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-12197",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12197"
        }
      ],
      "release_date": "2017-10-17T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "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": [
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2904"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.src",
            "6Server-RHSSO-7.1:rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libpam4j: Account check bypass"
    }
  ]
}


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