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RHEL 7 RHSA-2023:2705-01 Moderate: Red Hat Single Sign-On 7.6.3

red hat
Calendar Grey May 10, 2023
Dist Redhat Esm H88
Scheduled security enhancement for Red Hat Single Sign-On 7.6.3 packages affecting RHEL 7, resolving critical vulnerabilities.
New Red Hat Single Sign-On 7.6.3 packages are now available for Red Hat Enterprise Linux 7

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

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.

Topics%20covered

Topics Covered

security advisory DoS issue Red Hat Enterprise Linux moderate severity security impact information disclosure Single Sign-On

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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:2705-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2023:2705
Issue date: 2023-05-10

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.

Topics%20covered

Topics Covered

security advisory DoS issue Red Hat Enterprise Linux moderate severity security impact information disclosure Single Sign-On

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

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