rhsa-2021_0974
Vulnerability from csaf_redhat
Published
2021-03-23 14:17
Modified
2024-12-01 12:17
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.6 security update

Notes

Topic
A security update is now available for Red Hat Single Sign-On 7.4 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 7.4 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 7.4.6 serves as a replacement for Red Hat Single Sign-On 7.4.5, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es): * bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible (CVE-2020-28052) * nodejs-angular: XSS due to regex-based HTML replacement (CVE-2020-7676) * jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client (CVE-2020-35510) * undertow: Possible regression in fix for CVE-2020-10687 (CVE-2021-20220) * wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client (CVE-2021-20250) * guava: local information disclosure via temporary directory created with unsafe permissions (CVE-2020-8908) * keycloak: reusable "state" parameter at redirect_uri endpoint enables possibility of replay attacks (CVE-2020-14302) 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": "A security update is now available for Red Hat Single Sign-On 7.4 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 7.4 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 7.4.6 serves as a replacement for Red Hat Single Sign-On 7.4.5, 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* bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible (CVE-2020-28052)\n\n* nodejs-angular: XSS due to regex-based HTML replacement (CVE-2020-7676)\n\n* jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client (CVE-2020-35510)\n\n* undertow: Possible regression in fix for CVE-2020-10687 (CVE-2021-20220)\n\n* wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client (CVE-2021-20250)\n\n* guava: local information disclosure via temporary directory created with unsafe permissions (CVE-2020-8908)\n\n* keycloak: reusable \"state\" parameter at redirect_uri endpoint enables possibility of replay attacks (CVE-2020-14302)\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.",
        "title": "Details"
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0974.json"
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    "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.4.6 security update",
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      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2020-06-08T00:00:00+00:00",
      "ids": [
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          "text": "1849206"
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          "category": "description",
          "text": "A XSS flaw was found in nodejs-angular. The regex-based input HTML replacement may turn sanitized code into unsanitized one. Wrapping \"\\\u003coption\\\u003e\" elements in \"\\\u003cselect\\\u003e\" ones changes parsing behavior, leading to possibly unsanitizing code.",
          "title": "Vulnerability description"
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          "text": "nodejs-angular: XSS due to regex-based HTML replacement",
          "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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          "url": "https://access.redhat.com/security/cve/CVE-2020-7676"
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          "summary": "RHBZ#1849206",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1849206"
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-7676",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-7676"
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-7676",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7676"
        },
        {
          "category": "external",
          "summary": "https://snyk.io/vuln/SNYK-JS-ANGULAR-570058",
          "url": "https://snyk.io/vuln/SNYK-JS-ANGULAR-570058"
        }
      ],
      "release_date": "2020-05-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
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          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
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      "scores": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "nodejs-angular: XSS due to regex-based HTML replacement"
    },
    {
      "cve": "CVE-2020-8908",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2020-12-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1906919"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Guava that creates temporary directories with default permissions similar to /tmp. This issue may allow local users access, possibly permitting information exposure.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "guava: local information disclosure via temporary directory created with unsafe permissions",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat OpenStack Platform\u0027s OpenDaylight will not be updated for this flaw because it was deprecated as of OpenStack Platform 14 and is only receiving security fixes for Important and Critical flaws.",
          "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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        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8908",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8908"
        }
      ],
      "release_date": "2020-09-08T00:00:00+00:00",
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        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Single Sign-On 7.4.6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "guava: local information disclosure via temporary directory created with unsafe permissions"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Lauritz Holtmann"
          ],
          "organization": "Chair for Network and Data Security at Ruhr University Bochum"
        }
      ],
      "cve": "CVE-2020-14302",
      "cwe": {
        "id": "CWE-294",
        "name": "Authentication Bypass by Capture-replay"
      },
      "discovery_date": "2020-06-22T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1849584"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keycloak, where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same \"state\" parameter. This flaw allows a malicious user to perform replay attacks.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: reusable \"state\" parameter at redirect_uri endpoint enables possibility of replay attacks",
          "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": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-14302"
        },
        {
          "category": "external",
          "summary": "RHBZ#1849584",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1849584"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-14302",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-14302"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-14302",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-14302"
        }
      ],
      "release_date": "2020-11-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.4.6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "Red Hat Single Sign-On 7.4.6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "keycloak: reusable \"state\" parameter at redirect_uri endpoint enables possibility of replay attacks"
    },
    {
      "cve": "CVE-2020-28052",
      "cwe": {
        "id": "CWE-287",
        "name": "Improper Authentication"
      },
      "discovery_date": "2021-01-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1912881"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in bouncycastle. The OpenBSDBCrypt.checkPassword utility method compared incorrect data when checking the password allowing incorrect passwords to indicate they were matching with previously hashed ones that were different. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible",
          "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 7.4.6"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-28052"
        },
        {
          "category": "external",
          "summary": "RHBZ#1912881",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1912881"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-28052",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-28052"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-28052",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28052"
        }
      ],
      "release_date": "2020-12-18T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.4.6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
        },
        {
          "category": "workaround",
          "details": "Users unable to upgrade to version 1.67 or greater can copy the `OpenBSDBCrypt.doCheckPassword()` method implementation (https://github.com/bcgit/bc-java/blob/r1rv67/core/src/main/java/org/bouncycastle/crypto/generators/OpenBSDBCrypt.java#L259-L343) into their own utility class and supplement it with the required methods and variables as required",
          "product_ids": [
            "Red Hat Single Sign-On 7.4.6"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Single Sign-On 7.4.6"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible"
    },
    {
      "cve": "CVE-2020-35510",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2020-12-01T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1905796"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code, deleting the lines that send the ACK message from the EJB client code resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client",
          "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 7.4.6"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-35510"
        },
        {
          "category": "external",
          "summary": "RHBZ#1905796",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905796"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-35510",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-35510"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35510",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35510"
        }
      ],
      "release_date": "2020-12-09T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.4.6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Single Sign-On 7.4.6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client"
    },
    {
      "cve": "CVE-2021-20220",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2021-01-29T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1923133"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "undertow: Possible regression in fix for CVE-2020-10687",
          "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 7.4.6"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-20220"
        },
        {
          "category": "external",
          "summary": "RHBZ#1923133",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923133"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-20220",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-20220"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-20220",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20220"
        }
      ],
      "release_date": "2021-02-04T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.4.6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "Red Hat Single Sign-On 7.4.6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "undertow: Possible regression in fix for CVE-2020-10687"
    },
    {
      "cve": "CVE-2021-20250",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2021-02-09T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1929479"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in wildfly. The JBoss EJB client has publicly accessible privileged actions which may lead to information disclosure on the server it is deployed on. The highest threat from this vulnerability is to data confidentiality.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client",
          "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 7.4.6"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-20250"
        },
        {
          "category": "external",
          "summary": "RHBZ#1929479",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1929479"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-20250",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-20250"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-20250",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20250"
        }
      ],
      "release_date": "2021-02-17T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-23T14:17:45+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
            "Red Hat Single Sign-On 7.4.6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0974"
        }
      ],
      "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": [
            "Red Hat Single Sign-On 7.4.6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client"
    }
  ]
}


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