-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: Red Hat Single Sign-On 7.4.9 security update Advisory ID: RHSA-2021:3534-01 Product: Red Hat Single Sign-On Advisory URL: https://access.redhat.com/errata/RHSA-2021:3534 Issue date: 2021-09-14 CVE Names: CVE-2020-28491 CVE-2020-35509 CVE-2021-3513 CVE-2021-3597 CVE-2021-3632 CVE-2021-3637 CVE-2021-3644 CVE-2021-3690 CVE-2021-28170 CVE-2021-29425 ==================================================================== 1. Summary: 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 Moderate. 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. 2. Description: 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 7.4.9 serves as a replacement for Red Hat Single Sign-On 7.4.8, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es): * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690) * jackson-dataformat-cbor: Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception (CVE-2020-28491) * keycloak: Brute force attack is possible even after the account lockout (CVE-2021-3513) * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS (CVE-2021-3597) * keycloak: Anyone can register a new device when there is no device registered for passwordless login (CVE-2021-3632) * keycloak-model-infinispan: authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly could lead to a DoS attack (CVE-2021-3637) * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170) * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425) * keycloak: X509 Direct Grant Auth does not verify certificate timestamp validity (CVE-2020-35509) * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644) 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. 3. 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). 4. Bugs fixed (https://bugzilla.redhat.com/): 1912427 - CVE-2020-35509 keycloak: X509 Direct Grant Auth does not verify certificate timestamp validity 1930423 - CVE-2020-28491 jackson-dataformat-cbor: Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception 1948752 - CVE-2021-29425 apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 1953439 - CVE-2021-3513 keycloak: Brute force attack is possible even after the account lockout 1965497 - CVE-2021-28170 jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate 1970930 - CVE-2021-3597 undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS 1976052 - CVE-2021-3644 wildfly-core: Invalid Sensitivity Classification of Vault Expression 1978196 - CVE-2021-3632 keycloak: Anyone can register a new device when there is no device registered for passwordless login 1979638 - CVE-2021-3637 keycloak-model-infinispan: authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly could lead to a DoS attack 1991299 - CVE-2021-3690 undertow: buffer leak on incoming websocket PONG message may lead to DoS 5. References: https://access.redhat.com/security/cve/CVE-2020-28491 https://access.redhat.com/security/cve/CVE-2020-35509 https://access.redhat.com/security/cve/CVE-2021-3513 https://access.redhat.com/security/cve/CVE-2021-3597 https://access.redhat.com/security/cve/CVE-2021-3632 https://access.redhat.com/security/cve/CVE-2021-3637 https://access.redhat.com/security/cve/CVE-2021-3644 https://access.redhat.com/security/cve/CVE-2021-3690 https://access.redhat.com/security/cve/CVE-2021-28170 https://access.redhat.com/security/cve/CVE-2021-29425 https://access.redhat.com/security/updates/classification/#moderate 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/ https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/html/release_notes/index 6. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYUCXq9zjgjWX9erEAQgwEw//apuFNeMXm8WCKI4TXglolHcJQplFgfD+ YK2CeeMikGbkl1JuteBLVLw+KeyLpMG6Ejo0blQS1FfQQK1I9lnFYz5btbbRCGp5 2jvYyXCYsMBdJXjxilbVWmC5C7F1Yny7jBRckhS5+bns4V7AX99D4Ye4BIgf+hFo 2iv3NUsrmuACYoub0KD0Tk7OCYOcw4EYd3EIdEOGgKXux3Lu7szKTwLLVRtkh2Ii sEx31SreO83nYPT7g8pI8zIky0a25FG56ULOFQKILrEHneAJtRR52tJs+jo7s5xR rZy2LCMyyDFIDTuP5oExJAm+7Mdk8zQvYVlRdhvHwLfmszzlOabOYg/BpO28Ze0T 1wLak6OJkdKXnl7cbbMt1VeW8j01XymEK4uaP9VWueK6EYQWOQDWioqHf73YvUAc 2nYorZGIpnSHL5aIUx8oh3bhWHuNGZ3WvtHZC1SFqqXdQpy9Ps3sPvF/1f4OFvbG cG09JuAFNWCGD/yidn0G3YE4FeQmBOoE9I9Hhnw9H16ILYcyQnJQduxetoAJXHDN 7u+Wmznh8KRDhJgEOKQVsizmXUy6ghj4/Vf2GfvfZApW/GF5Wg568h3zIA6PZGrW uBf+JtCOjGTjxXI3Lu/CIMEddfsJcwwte0e3zn4k+ISxBsIBrM1EIfFxW9ozi0oQ /SXiaQ9Xqh4=jCYu -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce