RedHat: RHSA-2023-2705:01 Moderate: Red Hat Single Sign-On 7.6.3 security
Summary
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 7.6.3 on RHEL 7 serves as a
replacement for Red Hat Single Sign-On 7.6.2, and includes bug fixes and
enhancements, which are documented in the Release Notes document linked to
in the References.
Security Fix(es):
* okhttp: information disclosure via improperly used cryptographic function
(CVE-2021-0341)
* undertow: Server identity in https connection is not checked by the
undertow client (CVE-2022-4492)
* snakeyaml: Uncaught exception in java.base/java.util.ArrayList.hashCode
(CVE-2022-38752)
* dev-java/snakeyaml: DoS via stack overflow (CVE-2022-41854)
* codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS
(CVE-2022-41881)
* apache-james-mime4j: Temporary File Information Disclosure in MIME4J
TempFileStorageProvider (CVE-2022-45787)
* RESTEasy: creation of insecure temp files (CVE-2023-0482)
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-2021-0341 https://access.redhat.com/security/cve/CVE-2022-4492 https://access.redhat.com/security/cve/CVE-2022-38752 https://access.redhat.com/security/cve/CVE-2022-41854 https://access.redhat.com/security/cve/CVE-2022-41881 https://access.redhat.com/security/cve/CVE-2022-45787 https://access.redhat.com/security/cve/CVE-2023-0482 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Single Sign-On 7.6 for RHEL 7 Server:
Source:
rh-sso7-keycloak-18.0.7-1.redhat_00001.1.el7sso.src.rpm
noarch:
rh-sso7-keycloak-18.0.7-1.redhat_00001.1.el7sso.noarch.rpm
rh-sso7-keycloak-server-18.0.7-1.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/
Topic
New Red Hat Single Sign-On 7.6.3 packages are now available for Red HatEnterprise Linux 7.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 7.6 for RHEL 7 Server - noarch
Bugs Fixed
2129710 - CVE-2022-38752 snakeyaml: Uncaught exception in java.base/java.util.ArrayList.hashCode
2151988 - CVE-2022-41854 dev-java/snakeyaml: DoS via stack overflow
2153260 - CVE-2022-4492 undertow: Server identity in https connection is not checked by the undertow client
2153379 - CVE-2022-41881 codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS
2154086 - CVE-2021-0341 okhttp: information disclosure via improperly used cryptographic function
2158916 - CVE-2022-45787 apache-james-mime4j: Temporary File Information Disclosure in MIME4J TempFileStorageProvider
2166004 - CVE-2023-0482 RESTEasy: creation of insecure temp files
