RHSA-2020:3501: Red Hat Security Advisory: Red Hat Single Sign-On 7.4.2 security update

A security update is now available for Red Hat Single Sign-On 7.4 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.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. Related CVEs:
• CVE-2020-1710: EAP: field-name is not parsed in accordance to RFC7230
• CVE-2020-1728: keycloak: security headers missing on REST endpoints
• CVE-2020-1748: Wildfly: Improper authorization issue in WildFlySecurityManager when using alternative protection domain
• CVE-2020-10672: jackson-databind: mishandles the interaction between serialization gadgets and typing which could result in remote command execution
• CVE-2020-10673: jackson-databind: mishandles the interaction between serialization gadgets and typing which could result in remote command execution
• CVE-2020-10683: dom4j: XML External Entity vulnerability in default SAX parser
• CVE-2020-10687: Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests
• CVE-2020-10693: hibernate-validator: Improper input validation in the interpolation of constraint error messages
• CVE-2020-10714: wildfly-elytron: session fixation when using FORM authentication
• CVE-2020-10718: wildfly: exposed setting of TCCL via the EmbeddedManagedProcess API
• CVE-2020-10740: wildfly: unsafe deserialization in Wildfly Enterprise Java Beans
• CVE-2020-10758: keycloak: DoS by sending multiple simultaneous requests with a Content-Length header value greater than actual byte count of request body
• CVE-2020-11612: netty: compression/decompression codecs don’t enforce limits on buffer allocation sizes
• CVE-2020-14297: wildfly: Some EJB transaction objects may get accumulated causing Denial of Service
• CVE-2020-14307: wildfly: EJB SessionOpenInvocations may not be removed properly after a response is received causing Denial of Service