RedHat: RHSA-2023-4918:01 Important: Red Hat Single Sign-On 7.6.5 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 7.6.5 on RHEL 7 serves as a
replacement for Red Hat Single Sign-On 7.6.4, and includes bug fixes and
enhancements, which are documented in the Release Notes document linked to
in the References.
Security Fix(es):
* jettison: Uncontrolled Recursion in JSONArray (CVE-2023-1436)
* jackson-databind: Possible DoS if using JDK serialization to serialize
JsonNode (CVE-2021-46877)
* undertow: OutOfMemoryError due to @MultipartConfig handling
(CVE-2023-3223)
For more details about the security issue(s), including the impact, a CVSS
score, 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-2021-46877 https://access.redhat.com/security/cve/CVE-2023-1436 https://access.redhat.com/security/cve/CVE-2023-3223 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Single Sign-On 7.6 for RHEL 7 Server:
Source:
rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el7sso.src.rpm
noarch:
rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el7sso.noarch.rpm
rh-sso7-keycloak-server-18.0.9-1.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 7.6.5 packages are now available for Red HatEnterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the 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
2182788 - CVE-2023-1436 jettison: Uncontrolled Recursion in JSONArray
2185707 - CVE-2021-46877 jackson-databind: Possible DoS if using JDK serialization to serialize JsonNode
2209689 - CVE-2023-3223 undertow: OutOfMemoryError due to @MultipartConfig handling
