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Red Hat Security Advisory 2023-3883-02

Red Hat Security Advisory 2023-3883-02 - 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 7.6.4 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include a cross site scripting vulnerability.

Packet Storm
#xss#vulnerability#web#linux#red_hat#oauth#auth#ssl

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat Single Sign-On 7.6.4 security update on RHEL 7
Advisory ID: RHSA-2023:3883-02
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3883
Issue date: 2023-06-27
CVE Names: CVE-2022-4361 CVE-2023-1108 CVE-2023-1664
CVE-2023-2422 CVE-2023-2585
=====================================================================

  1. Summary:

New Red Hat Single Sign-On 7.6.4 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.

  1. Relevant releases/architectures:

Red Hat Single Sign-On 7.6 for RHEL 7 Server - noarch

  1. Description:

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 7.6.4 on RHEL 7 serves as a
replacement for Red Hat Single Sign-On 7.6.3, and includes bug fixes and
enhancements, which are documented in the Release Notes document linked to
in the References.

Security Fix(es):

  • keycloak: Cross-site scripting when validating URI-schemes on SAML and
    OIDC (CVE-2022-4361)

  • undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

  • keycloak: oauth client impersonation (CVE-2023-2422)

  • keycloak: Untrusted Certificate Validation (CVE-2023-1664)

  • keycloak: client access via device auth request spoof (CVE-2023-2585)

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.

  1. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

  1. Bugs fixed (https://bugzilla.redhat.com/):

2151618 - CVE-2022-4361 Keycloak | RHSSO: XSS due to lax URI scheme validation
2174246 - CVE-2023-1108 Undertow: Infinite loop in SslConduit during close
2182196 - CVE-2023-1664 keycloak: Untrusted Certificate Validation
2191668 - CVE-2023-2422 keycloak: oauth client impersonation
2196335 - CVE-2023-2585 keycloak: client access via device auth request spoof

  1. Package List:

Red Hat Single Sign-On 7.6 for RHEL 7 Server:

Source:
rh-sso7-keycloak-18.0.8-1.redhat_00001.1.el7sso.src.rpm

noarch:
rh-sso7-keycloak-18.0.8-1.redhat_00001.1.el7sso.noarch.rpm
rh-sso7-keycloak-server-18.0.8-1.redhat_00001.1.el7sso.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

  1. References:

https://access.redhat.com/security/cve/CVE-2022-4361
https://access.redhat.com/security/cve/CVE-2023-1108
https://access.redhat.com/security/cve/CVE-2023-1664
https://access.redhat.com/security/cve/CVE-2023-2422
https://access.redhat.com/security/cve/CVE-2023-2585
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/11258

  1. Contact:

The Red Hat security contact is [email protected]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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RHSA-2023:3892: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update

A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal. 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.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. Related CVEs: * CVE-2021-39144: A flaw was found in xstream, a simple library used to serialize objects to XML and back again. This flaw allows a remote attacker to load and execute arbitrary code from a remote host by manipulating the processed input stream. * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-sit...

RHSA-2023:3892: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update

A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal. 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.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. Related CVEs: * CVE-2021-39144: A flaw was found in xstream, a simple library used to serialize objects to XML and back again. This flaw allows a remote attacker to load and execute arbitrary code from a remote host by manipulating the processed input stream. * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-sit...

RHSA-2023:3885: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 9

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 9. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3885: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 9

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 9. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3884: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 8

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 8. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3885: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 9

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 9. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3885: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 9

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 9. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3884: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 8

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 8. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3884: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 8

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 8. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3884: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 security update on RHEL 8

New Red Hat Single Sign-On 7.6.4 packages are now available for Red Hat Enterprise Linux 8. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023-1108: A flaw was found in underto...

RHSA-2023:3888: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 for OpenShift image security enhancement update

A new image is available for Red Hat Single Sign-On 7.6.4, running on OpenShift Container Platform 3.10 and 3.11, and 4.12.0. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023...

RHSA-2023:3888: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 for OpenShift image security enhancement update

A new image is available for Red Hat Single Sign-On 7.6.4, running on OpenShift Container Platform 3.10 and 3.11, and 4.12.0. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023...

RHSA-2023:3888: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.4 for OpenShift image security enhancement update

A new image is available for Red Hat Single Sign-On 7.6.4, running on OpenShift Container Platform 3.10 and 3.11, and 4.12.0. 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.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. Related CVEs: * CVE-2022-4361: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri. * CVE-2023...

GHSA-c892-cwq6-qrqf: Keycloak vulnerable to untrusted certificate validation

A flaw was found in Keycloak. This flaw depends on a non-default configuration "Revalidate Client Certificate" to be enabled and the reverse proxy is not validating the certificate before Keycloak. Using this method an attacker may choose the certificate which will be validated by the server. If this happens and the KC_SPI_TRUSTSTORE_FILE_FILE variable is missing/misconfigured, any trustfile may be accepted with the logging information of "Cannot validate client certificate trust: Truststore not available". This may not impact availability as the attacker would have no access to the server, but consumer applications Integrity or Confidentiality may be impacted considering a possible access to them. Considering the environment is correctly set to use "Revalidate Client Certificate" this flaw is avoidable.

CVE-2023-1664: 2182196 – (CVE-2023-1664) CVE-2023-1664 keycloak: Untrusted Certificate Validation

A flaw was found in Keycloak. This flaw depends on a non-default configuration "Revalidate Client Certificate" to be enabled and the reverse proxy is not validating the certificate before Keycloak. Using this method an attacker may choose the certificate which will be validated by the server. If this happens and the KC_SPI_TRUSTSTORE_FILE_FILE variable is missing/misconfigured, any trustfile may be accepted with the logging information of "Cannot validate client certificate trust: Truststore not available". This may not impact availability as the attacker would have no access to the server, but consumer applications Integrity or Confidentiality may be impacted considering a possible access to them. Considering the environment is correctly set to use "Revalidate Client Certificate" this flaw is avoidable.

Red Hat Security Advisory 2023-1516-01

Red Hat Security Advisory 2023-1516-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.4.10 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.4.9, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.4.10 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include code execution, denial of service, deserialization, and information leakage vulnerabilities.

Red Hat Security Advisory 2023-1514-01

Red Hat Security Advisory 2023-1514-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.4.10 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.4.9, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.4.10 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include code execution, denial of service, deserialization, and information leakage vulnerabilities.

Red Hat Security Advisory 2023-1513-01

Red Hat Security Advisory 2023-1513-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.4.10 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.4.9, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.4.10 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include code execution, denial of service, deserialization, and information leakage vulnerabilities.

Red Hat Security Advisory 2023-1512-01

Red Hat Security Advisory 2023-1512-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.4.10 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.4.9 and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.4.10 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include code execution, denial of service, deserialization, and information leakage vulnerabilities.

RHSA-2023:1516: Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.10 security update

A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4. 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.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. Related CVEs: * CVE-2022-1471: A flaw was found in the SnakeYaml package. This flaw allows an attacker to benefit from remote code execution by sending malicious YAML content and this content being deserialized by the constructor. Deserialization is unsafe and leads to Remote Code Execution (RCE). * CVE-2022-4492: A flaw was found in undertow. The undertow c...

Red Hat Security Advisory 2023-1184-01

Red Hat Security Advisory 2023-1184-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This asynchronous patch is a security update for Red Hat JBoss Enterprise Application Platform 7.4.

Red Hat Security Advisory 2023-1185-01

Red Hat Security Advisory 2023-1185-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This asynchronous patch is a security update for Red Hat JBoss Enterprise Application Platform 7.4.

RHSA-2023:1185: Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4 security update

A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4. 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.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. Related CVEs: * CVE-2023-1108: A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

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