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RedHat: RHSA-2020-3495-01 Important: Single Sign-On 7.4.2 DoS Fix

red hat
Calendar Grey August 18, 2020
Dist Redhat Esm H88
Crucial security patch released for Red Hat Single Sign-On version 7.4.2 on RHEL 6, tackling significant vulnerabilities and enhancements.
New Red Hat Single Sign-On 7.4.2 packages are now available for Red Hat Enterprise Linux 6

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 7.4 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 7.4.2 security update on RHEL 6 serves as a replacement for Red Hat Single Sign-On 7.4.1, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* keycloak: DoS by sending multiple simultaneous requests with a Content-Length header value greater than actual byte count of request body (CVE-2020-10758)
* keycloak: security headers missing on REST endpoints (CVE-2020-1728)
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.

Topics%20covered

Topics Covered

security advisory Red Hat DoS important authentication single sign-on RHEL 6

References

https://access.redhat.com/security/cve/CVE-2020-1728 https://access.redhat.com/security/cve/CVE-2020-10758 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Single Sign-On 7.4 for RHEL 6 Server:
Source: rh-sso7-keycloak-9.0.5-1.redhat_00001.1.el6sso.src.rpm
noarch: rh-sso7-keycloak-9.0.5-1.redhat_00001.1.el6sso.noarch.rpm rh-sso7-keycloak-server-9.0.5-1.redhat_00001.1.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:3495-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3495
Issue date: 2020-08-18

Topic

New Red Hat Single Sign-On 7.4.2 packages are now available for Red HatEnterprise Linux 6.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.

Topics%20covered

Topics Covered

security advisory Red Hat DoS important authentication single sign-on RHEL 6

Relevant Releases Architectures

Red Hat Single Sign-On 7.4 for RHEL 6 Server - noarch

Bugs Fixed

1800585 - CVE-2020-1728 keycloak: security headers missing on REST endpoints

1843849 - CVE-2020-10758 keycloak: DoS by sending multiple simultaneous requests with a Content-Length header value greater than actual byte count of request body

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