RedHat: RHSA-2021-0974:01 Moderate: Red Hat Single Sign-On 7.4.6 security
Summary
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.
Summary
Solution
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
The References section of this erratum contains a download link (you must
log in to download the update).
References
https://access.redhat.com/security/cve/CVE-2020-7676 https://access.redhat.com/security/cve/CVE-2020-8908 https://access.redhat.com/security/cve/CVE-2020-14302 https://access.redhat.com/security/cve/CVE-2020-28052 https://access.redhat.com/security/cve/CVE-2020-35510 https://access.redhat.com/security/cve/CVE-2021-20220 https://access.redhat.com/security/cve/CVE-2021-20250 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4 https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/
Package List
Topic
A security update is now available for Red Hat Single Sign-On 7.4 from theCustomer Portal.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Bugs Fixed
1849206 - CVE-2020-7676 nodejs-angular: XSS due to regex-based HTML replacement
1849584 - CVE-2020-14302 keycloak: reusable "state" parameter at redirect_uri endpoint enables possibility of replay attacks
1905796 - CVE-2020-35510 jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client
1906919 - CVE-2020-8908 guava: local information disclosure via temporary directory created with unsafe permissions
1912881 - CVE-2020-28052 bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible
1923133 - CVE-2021-20220 undertow: Possible regression in fix for CVE-2020-10687
1929479 - CVE-2021-20250 wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client