RedHat: RHSA-2021-3527:01 Moderate: Red Hat Single Sign-On 7.4.9 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 7.4.9 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):
* 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)
* 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)
* keycloak: X509 Direct Grant Auth does not verify certificate timestamp
validity (CVE-2020-35509)
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 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
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-2021-3632 https://access.redhat.com/security/cve/CVE-2021-3637 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/html/release_notes/index
Package List
Red Hat Single Sign-On 7.4 for RHEL 6 Server:
Source:
rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el6sso.src.rpm
noarch:
rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el6sso.noarch.rpm
rh-sso7-keycloak-server-9.0.15-1.redhat_00002.1.el6sso.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/
Topic
New Red Hat Single Sign-On 7.4.9 packages are now available for Red HatEnterprise Linux 6.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
Red Hat Single Sign-On 7.4 for RHEL 6 Server - noarch
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
1953439 - CVE-2021-3513 keycloak: Brute force attack is possible even after the account lockout
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
