RedHat: RHSA-2021-5170:05 Moderate: Red Hat Single Sign-On 7.4.10 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 7.4.10 serves as a replacement for
Red Hat Single Sign-On 7.4.9, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.
Security Fix(es):
* undertow: potential security issue in flow control over HTTP/2 may lead
to DOS (CVE-2021-3629)
* wildfly-elytron: possible timing attack in ScramServer (CVE-2021-3642)
* wildfly: incorrect JBOSS_LOCAL_USER challenge location may lead to giving
access to all the local users (CVE-2021-3717)
* jsoup: Crafted input may cause the jsoup HTML and XML parser to get stuck
(CVE-2021-37714)
* xml-security: XPath Transform abuse allows for information disclosure
(CVE-2021-40690)
* resteasy: Error message exposes endpoint class information
(CVE-2021-20289)
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-2021-3629 https://access.redhat.com/security/cve/CVE-2021-3642 https://access.redhat.com/security/cve/CVE-2021-3717 https://access.redhat.com/security/cve/CVE-2021-20289 https://access.redhat.com/security/cve/CVE-2021-37714 https://access.redhat.com/security/cve/CVE-2021-40690 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/ https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/html/release_notes/index
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
1935927 - CVE-2021-20289 resteasy: Error message exposes endpoint class information
1977362 - CVE-2021-3629 undertow: potential security issue in flow control over HTTP/2 may lead to DOS
1981407 - CVE-2021-3642 wildfly-elytron: possible timing attack in ScramServer
1991305 - CVE-2021-3717 wildfly: incorrect JBOSS_LOCAL_USER challenge location may lead to giving access to all the local users1995259 - CVE-2021-37714 jsoup: Crafted input may cause the jsoup HTML and XML parser to get stuck
2011190 - CVE-2021-40690 xml-security: XPath Transform abuse allows for information disclosure
