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Red Hat Single Sign-On 7.4.9 RHSA-2021-3534-01 Moderate DoS Security Fix

red hat
Calendar Grey September 14, 2021
Dist Redhat Esm H88
Incremental security patch for Red Hat Single Sign-On 7.4.9 targeting various vulnerabilities, notably including potential DoS situations.
A security update is now available for Red Hat Single Sign-On 7.4 from the Customer Portal

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).

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 7.4.9 serves as a replacement for Red Hat Single Sign-On 7.4.8, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)
* jackson-dataformat-cbor: Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception (CVE-2020-28491)
* keycloak: Brute force attack is possible even after the account lockout (CVE-2021-3513)
* undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS (CVE-2021-3597)
* keycloak: Anyone can register a new device when there is no device registered for passwordless login (CVE-2021-3632)
* keycloak-model-infinispan: authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly could lead to a DoS attack (CVE-2021-3637)
* jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)
* apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)
* keycloak: X509 Direct Grant Auth does not verify certificate timestamp validity (CVE-2020-35509)
* wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)
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.

Topics%20covered

Topics Covered

security advisory security issue DoS Moderate Red Hat Single Sign-On

References

https://access.redhat.com/security/cve/CVE-2020-28491 https://access.redhat.com/security/cve/CVE-2020-35509 https://access.redhat.com/security/cve/CVE-2021-3513 https://access.redhat.com/security/cve/CVE-2021-3597 https://access.redhat.com/security/cve/CVE-2021-3632 https://access.redhat.com/security/cve/CVE-2021-3637 https://access.redhat.com/security/cve/CVE-2021-3644 https://access.redhat.com/security/cve/CVE-2021-3690 https://access.redhat.com/security/cve/CVE-2021-28170 https://access.redhat.com/security/cve/CVE-2021-29425 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 html/release_notes/index

Package List


Advisory ID: RHSA-2021:3534-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3534
Issue date: 2021-09-14

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.

Topics%20covered

Topics Covered

security advisory security issue DoS Moderate Red Hat Single Sign-On

Relevant Releases Architectures

Bugs Fixed

1912427 - CVE-2020-35509 keycloak: X509 Direct Grant Auth does not verify certificate timestamp validity

1930423 - CVE-2020-28491 jackson-dataformat-cbor: Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception

1948752 - CVE-2021-29425 apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6

1953439 - CVE-2021-3513 keycloak: Brute force attack is possible even after the account lockout

1965497 - CVE-2021-28170 jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate

1970930 - CVE-2021-3597 undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS

1976052 - CVE-2021-3644 wildfly-core: Invalid Sensitivity Classification of Vault Expression

1978196 - CVE-2021-3632 keycloak: Anyone can register a new device when there is no device registered for passwordless login

1979638 - CVE-2021-3637 keycloak-model-infinispan: authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly could lead to a DoS attack

1991299 - CVE-2021-3690 undertow: buffer leak on incoming websocket PONG message may lead to DoS

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