rhsa-2017_2906
Vulnerability from csaf_redhat
Published
2017-10-17 19:42
Modified
2024-11-22 11:32
Summary
Red Hat Security Advisory: Red Hat Single Sign-On security update

Notes

Topic
Red Hat Single Sign-On 7.1.3 is now available for download from the Customer Portal. 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 7.1 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. The Node.js adapter provides a simple module for authentication and authorization in Node.js 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": "Red Hat Single Sign-On 7.1.3 is now available for download from the Customer Portal.\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 7.1 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. The Node.js adapter provides a simple module for authentication and authorization in Node.js 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).",
        "title": "Details"
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_2906.json"
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    "title": "Red Hat Security Advisory: Red Hat Single Sign-On security update",
    "tracking": {
      "current_release_date": "2024-11-22T11:32:52+00:00",
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      "cwe": {
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        "name": "Covert Timing Channel"
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      "discovery_date": "2017-05-21T00:00:00+00:00",
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          "text": "1455566"
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      "notes": [
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          "category": "description",
          "text": "A vulnerability was found in Jasypt that would allow an attacker to perform a timing attack on password hash comparison.",
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          "text": "jasypt: Vulnerable to timing attack against the password hash comparison",
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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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          "url": "https://access.redhat.com/security/cve/CVE-2014-9970"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1455566"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2014-9970",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-9970"
        }
      ],
      "release_date": "2017-02-20T00:00:00+00:00",
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          "date": "2017-10-17T19:42:35+00:00",
          "details": "Before applying the update, back up your existing installation, including\nall applications, configuration files, databases and database settings, and\nso on.\n\nThe References section of this erratum contains a download link (you must\nlog in to download the update).",
          "product_ids": [
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          },
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        }
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      "scores": [
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            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          ]
        }
      ],
      "threats": [
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          "category": "impact",
          "details": "Moderate"
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      ],
      "title": "jasypt: Vulnerable to timing attack against the password hash comparison"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Mykhailo Stadnyk"
          ],
          "organization": "Playtech"
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      "cve": "CVE-2017-12158",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2017-08-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1489161"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: reflected XSS using HOST header",
          "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"
        }
      ],
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      "references": [
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-12158"
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        {
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          "summary": "RHBZ#1489161",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1489161"
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        {
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          "date": "2017-10-17T19:42:35+00:00",
          "details": "Before applying the update, back up your existing installation, including\nall applications, configuration files, databases and database settings, and\nso on.\n\nThe References section of this erratum contains a download link (you must\nlog in to download the update).",
          "product_ids": [
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          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2017:2906"
        }
      ],
      "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": [
            "Red Hat Single Sign-On 7.1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: reflected XSS using HOST header"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Prapti Mittal"
          ]
        }
      ],
      "cve": "CVE-2017-12159",
      "cwe": {
        "id": "CWE-613",
        "name": "Insufficient Session Expiration"
      },
      "discovery_date": "2017-08-17T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1484111"
        }
      ],
      "notes": [
        {
          "category": "description",
          "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"
        },
        {
          "category": "summary",
          "text": "keycloak: CSRF token fixation",
          "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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        ]
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      "references": [
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          "summary": "Canonical URL",
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          "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",
          "date": "2017-10-17T19:42:35+00:00",
          "details": "Before applying the update, back up your existing installation, including\nall applications, configuration files, databases and database settings, and\nso on.\n\nThe References section of this erratum contains a download link (you must\nlog in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2906"
        }
      ],
      "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": [
            "Red Hat Single Sign-On 7.1"
          ]
        }
      ],
      "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": [
          "Red Hat Single Sign-On 7.1"
        ]
      },
      "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",
          "date": "2017-10-17T19:42:35+00:00",
          "details": "Before applying the update, back up your existing installation, including\nall applications, configuration files, databases and database settings, and\nso on.\n\nThe References section of this erratum contains a download link (you must\nlog in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2906"
        }
      ],
      "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": [
            "Red Hat Single Sign-On 7.1"
          ]
        }
      ],
      "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": [
          "Red Hat Single Sign-On 7.1"
        ]
      },
      "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",
          "date": "2017-10-17T19:42:35+00:00",
          "details": "Before applying the update, back up your existing installation, including\nall applications, configuration files, databases and database settings, and\nso on.\n\nThe References section of this erratum contains a download link (you must\nlog in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2906"
        }
      ],
      "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": [
            "Red Hat Single Sign-On 7.1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libpam4j: Account check bypass"
    }
  ]
}


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