-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: Red Hat Single Sign-On 7.4.9 security update on RHEL 6 Advisory ID: RHSA-2021:3527-01 Product: Red Hat Single Sign-On Advisory URL: https://access.redhat.com/errata/RHSA-2021:3527 Issue date: 2021-09-14 CVE Names: CVE-2020-28491 CVE-2020-35509 CVE-2021-3513 CVE-2021-3632 CVE-2021-3637 ===================================================================== 1. Summary: New Red Hat Single Sign-On 7.4.9 packages are now available for Red Hat Enterprise Linux 6. 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. Relevant releases/architectures: Red Hat Single Sign-On 7.4 for RHEL 6 Server - noarch 3. 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): * 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) * 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) * keycloak: X509 Direct Grant Auth does not verify certificate timestamp validity (CVE-2020-35509) 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. 4. 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 5. 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 1953439 - CVE-2021-3513 keycloak: Brute force attack is possible even after the account lockout 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 6. Package List: Red Hat Single Sign-On 7.4 for RHEL 6 Server: Source: rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el6sso.src.rpm noarch: rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el6sso.noarch.rpm rh-sso7-keycloak-server-9.0.15-1.redhat_00002.1.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/ 7. 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-2021-3632 https://access.redhat.com/security/cve/CVE-2021-3637 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/html/release_notes/index 8. 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 iQIVAwUBYUCW99zjgjWX9erEAQjUTg//ddq/abdJly8yxH0FTEwaox5M820WPQLy goilXsEYEGe9ikxVMWm/2bw4huBEaCtP9e3LmkN0Blthl12L6DyQdMFUyg2z6XXd ZdYRQ8P5nT7vvBGOUNw3LU9bIjr2Kbf67uuxvEYxTajbFr9OqQ/ao2xWdOMd5fB5 3MKuiE4AARfHI3z22iYSRh5cbVVYBHOQXFcDcIxFnRcFOl6NayRu95TotqCbh244 1ar39bD436J+xkvWnLvJedAy11baBg1rrJAcUnRamw/lovnW+BaxLwkg/mhBFm2l BfL+Zq7XDl8crwNhcykwoPGqiVZLvZ7XssgDF0gJ74aBqKsz/x9NxNxWJ3qlOeeI pur0/gvJ79MmBqorBQnine+HbK8p+mBX/qI75xwTLu+p4nEz7JxUIMFoO2H42OY2 PNA7DfVca3MvCu7o/SfuRnfgZ5oBBvGRc8QYcXlMCFv6aDfbGvOCRYg0f4ssQBc/ qHZoriH8KRp7sATZjXZL19LoE86X1ZOebMOF6+wrKoomkr30/u0lDB1OSMjn7nDd J7US9rUdxLoAcxoA3n73wrcXisTYcJii7h42CRMe/bzne3BOHuvhRIQ4gTf72kUh Lmw82tbQSGkwlNFBU/OnhvXyjkNDCoBn5oWeG1G/hADOyRGxmHBbLlM/QgU2ZZ1d TLJKVnxWT2E= =eygP -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce