RHSA-2020:3501: Important: Red Hat Single Sign-On 7.4.2 security update
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.
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Frequently Asked Questions
What is the severity of RHSA-2020:3501?
The severity of RHSA-2020:3501 is classified as important.
How do I fix RHSA-2020:3501?
To fix RHSA-2020:3501, you should update to Red Hat Single Sign-On 7.4.2 or later if you are using an affected version.
What vulnerabilities does RHSA-2020:3501 address?
RHSA-2020:3501 addresses multiple vulnerabilities in Red Hat Single Sign-On 7.4 by providing security fixes.
Is RHSA-2020:3501 relevant to my Red Hat system?
RHSA-2020:3501 is relevant if you are using Red Hat Single Sign-On version 7.4 or older.
What are the implications of not addressing RHSA-2020:3501?
Not addressing RHSA-2020:3501 may leave your Red Hat Single Sign-On system vulnerable to security risks.