RHSA-2020:4929

Vulnerability from csaf_redhat - Published: 2020-11-04 19:31 - Updated: 2026-03-18 02:06
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.3 security update on RHEL 6
Severity
Moderate
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.
CVE-2020-10776

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.

4.0 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Product Identifier Version Remediation
Unresolved product id: 6Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.9-1.redhat_00001.1.el6sso.noarch —
Vendor Fix fix
Workaround
Unresolved product id: 6Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.9-1.redhat_00001.1.el6sso.src —
Vendor Fix fix
Workaround
Unresolved product id: 6Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.9-1.redhat_00001.1.el6sso.noarch —
Vendor Fix fix
Workaround
Threats
Impact Low
CVE-2020-14389

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.

8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-916 - Use of Password Hash With Insufficient Computational Effort
Affected products
Product Identifier Version Remediation
Unresolved product id: 6Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.9-1.redhat_00001.1.el6sso.noarch —
Vendor Fix fix
Unresolved product id: 6Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.9-1.redhat_00001.1.el6sso.src —
Vendor Fix fix
Unresolved product id: 6Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.9-1.redhat_00001.1.el6sso.noarch —
Vendor Fix fix
Threats
Impact Moderate
References
Acknowledgments
Chair for Network and Data Security at Ruhr University Bochum Lauritz Holtmann
Red Hat Václav Muzikář
To clipboard 

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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
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            "confidentialityImpact": "HIGH",
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            "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"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: user can manage resources with just \"view-profile\" role using new Account Console"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.