RedHat: RHSA-2020-3501:01 Important: Red Hat Single Sign-On 7.4.2 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 7.4.2 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):
* EAP: field-name is not parsed in accordance to RFC7230 (CVE-2020-1710)
* jackson-databind: mishandles the interaction between serialization
gadgets and typing which could result in remote command execution
(CVE-2020-10672)
* jackson-databind: mishandles the interaction between serialization
gadgets and typing which could result in remote command execution
(CVE-2020-10673)
* wildfly: unsafe deserialization in Wildfly Enterprise Java Beans
(CVE-2020-10740)
* keycloak: DoS by sending multiple simultaneous requests with a
Content-Length header value greater than actual byte count of request body
(CVE-2020-10758)
* Wildfly: Improper authorization issue in WildFlySecurityManager when
using alternative protection domain (CVE-2020-1748)
* dom4j: XML External Entity vulnerability in default SAX parser
(CVE-2020-10683)
* Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid
characters in HTTP requests (CVE-2020-10687)
* hibernate-validator: Improper input validation in the interpolation of
constraint error messages (CVE-2020-10693)
* wildfly-elytron: session fixation when using FORM authentication
(CVE-2020-10714)
* wildfly: exposed setting of TCCL via the EmbeddedManagedProcess API
(CVE-2020-10718)
* wildfly: EJB SessionOpenInvocations may not be removed properly after a
response is received causing Denial of Service (CVE-2020-14307)
* netty: compression/decompression codecs don't enforce limits on buffer
allocation sizes (CVE-2020-11612)
* keycloak: security headers missing on REST endpoints (CVE-2020-1728)
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 the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
The References section of this erratum contains a download link (you must
log in to download the update).
References
https://access.redhat.com/security/cve/CVE-2020-1710 https://access.redhat.com/security/cve/CVE-2020-1728 https://access.redhat.com/security/cve/CVE-2020-1748 https://access.redhat.com/security/cve/CVE-2020-10672 https://access.redhat.com/security/cve/CVE-2020-10673 https://access.redhat.com/security/cve/CVE-2020-10683 https://access.redhat.com/security/cve/CVE-2020-10687 https://access.redhat.com/security/cve/CVE-2020-10693 https://access.redhat.com/security/cve/CVE-2020-10714 https://access.redhat.com/security/cve/CVE-2020-10718 https://access.redhat.com/security/cve/CVE-2020-10740 https://access.redhat.com/security/cve/CVE-2020-10758 https://access.redhat.com/security/cve/CVE-2020-11612 https://access.redhat.com/security/cve/CVE-2020-14307 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4 https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/
Package List
Topic
A security update is now available for Red Hat Single Sign-On 7.4 from theCustomer Portal.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
Bugs Fixed
1694235 - CVE-2020-10683 dom4j: XML External Entity vulnerability in default SAX parser
1785049 - CVE-2020-10687 Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests
1793970 - CVE-2020-1710 EAP: field-name is not parsed in accordance to RFC7230
1800585 - CVE-2020-1728 keycloak: security headers missing on REST endpoints
1805501 - CVE-2020-10693 hibernate-validator: Improper input validation in the interpolation of constraint error messages
1807707 - CVE-2020-1748 Wildfly: Improper authorization issue in WildFlySecurityManager when using alternative protection domain
1815470 - CVE-2020-10673 jackson-databind: mishandles the interaction between serialization gadgets and typing which could result in remote command execution
1815495 - CVE-2020-10672 jackson-databind: mishandles the interaction between serialization gadgets and typing which could result in remote command execution
1816216 - CVE-2020-11612 netty: compression/decompression codecs don't enforce limits on buffer allocation sizes
1825714 - CVE-2020-10714 wildfly-elytron: session fixation when using FORM authentication
1828476 - CVE-2020-10718 wildfly: exposed setting of TCCL via the EmbeddedManagedProcess API
1834512 - CVE-2020-10740 wildfly: unsafe deserialization in Wildfly Enterprise Java Beans
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
1851327 - CVE-2020-14307 wildfly: EJB SessionOpenInvocations may not be removed properly after a response is received causing Denial of Service
