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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3076 Red Hat Single Sign-On 7.4.9 security update on RHEL 7 15 September 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Red Hat Single Sign-On Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Provide Misleading Information -- Existing Account Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-3637 CVE-2021-3632 CVE-2021-3513 CVE-2020-35509 CVE-2020-28491 Reference: ESB-2021.2813 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:3528 https://access.redhat.com/errata/RHSA-2021:3527 https://access.redhat.com/errata/RHSA-2021:3529 Comment: This bulletin contains three (3) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: Red Hat Single Sign-On 7.4.9 security update on RHEL 7 Advisory ID: RHSA-2021:3528-01 Product: Red Hat Single Sign-On Advisory URL: https://access.redhat.com/errata/RHSA-2021:3528 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 7. 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 7 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 7 Server: Source: rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el7sso.src.rpm noarch: rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el7sso.noarch.rpm rh-sso7-keycloak-server-9.0.15-1.redhat_00002.1.el7sso.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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYUCWQtzjgjWX9erEAQjEgA//VVIxTeE7mU7yN47GXYMVbkgIIUEl0O/H ZtVPfMg2Stoakd8J9QNhk4IuYEDfEDRj/XUbIxZnzhuA+HnLln0socH0GblV4tBm RdjTqU+ZCF78Ge/aR/B94MPKX7UnHmTTjSgu8S1LDkOPsLJDezczg39CEWYQ8omk wDIfbUoxh8XhAVQ6dBwA4AVqGnzue9I3PCO/0eTi7e0msY0/52tv4tqBj7gyatpS cbo4y2m+L5cPTsoZw+3JHXj7xghnS/3XPN7oqSfx6/mvIbQxN7HCUjpjmb3QglqZ Wl5uVa5gid1epSrI4quHpBtyUXYGbtU7BR0XFKbRfTaOBRkzIJu+cygMr0vjRSNN XzSvufHpiGAP/R+p9OGFP81aMx2/bcONY3m0BGiDBx68dlFHu6uCJFf1/NFnfGJC jwG1ClQgbMHWcNsqGtM3ugOR0d9x9daG7qnSvzry01xfRjHu+MnVssGPvp6l13ZZ rDuUjEgrQKYrscmMH5RfnoVEpdttVqBLs4mw8HoQ29oKLaWy0fQsXUaRdYbYjfAz lcUCWTZSZqxm0Q7QeNL1B8wgcqI9HwbrHJkG6zslulqigqFXHQODcf/Dicl6SI1+ /f5l3ie+rfPcC1iFHqpAPt/AcLQ6lY0cJO/w7fLe6yqVXi6hxRldaR9obTrPwI/+ g7GGkNUyBPI= =UmAM - -----END PGP SIGNATURE----- - --------------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: Red Hat Single Sign-On 7.4.9 security update on RHEL 8 Advisory ID: RHSA-2021:3529-01 Product: Red Hat Single Sign-On Advisory URL: https://access.redhat.com/errata/RHSA-2021:3529 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 8. 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 8 - 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 8: Source: rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el8sso.src.rpm noarch: rh-sso7-keycloak-9.0.15-1.redhat_00002.1.el8sso.noarch.rpm rh-sso7-keycloak-server-9.0.15-1.redhat_00002.1.el8sso.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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYUCWf9zjgjWX9erEAQiIsg/+LT8yame3X3lQDKuaKKDEH7dOimhex9Qa OsHtOHCcPDat312ZmD1SnPvmHFQC9EckiChHhzdLw/Nz7Ot217HwnP6fUIcd4558 lFyGIGRt77gE7TBg0scGFiLfPUr5PeJJlmw9hOmCYYBPICIzHA/23CDNdtEoon1S VonM8UCIVI8okFNxv+JGPbQLZRyoImFalijQYUlqd0YE14a7OxEA9v/LilEDMj/h qgWygn2wYNB+hIs9v5Y2UuhHho75/rfVd5YbY0y1mVYR+YMOTHAT0rJVwe0T7Mgw P1PrmU6Srwc9Bq8a6Syejj3tMkLh6RdrKoYSujAJj2vohZJGu9/tju3ppSALeicj Yy4almCcySSlBdECQztasYANbSGbPT9H2Lb9wm0dqj3051Jb3+O4Ix7qLYqQApO5 dZU+13eDGo0I1S/Hy//4m206YB9OwuvRt+QRDzSWDZCjPN5D7mh0THqhv/QayJq3 dPrAZj3cX2EUSCGKu0/7rSOCPm+AOUrUAid+EZjNiPxa85O9N5aggzG2HR0y/o6h P3K43cksnOeyk3MWGwTYc/2IV4B8ZYp7iw86ke/cDqIGYMB77K1GqVlnid/Qlgyr Jjco5jSQZwZ7tHhAjORjrtTC9jaxSQ5f6/eh4qQWi81jP1qAtgLqKqPLg8fSv/SN xuTnfpURfIE= =xq2Q - -----END PGP SIGNATURE----- - ------------------------------------------------------------------------------------- - -----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 <secalert@redhat.com>. 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----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYUE6rONLKJtyKPYoAQg8NA//TLDjhBWzgSBjEJY4sUKKd32XaTuDvzOt E8rShQsrKeDcRLTvaEP2nbawN7FojB0qnXXkHr19XNfPb2RLkTa1vLlCYb2+zXbH ku8II8gkkgA2krOtlN1BBMdaypHATDHGleGs1EB69j5ZdYfAYpEvuPVcATR5ArcS ma2qCTDTKjwgcLvMcCtf9PWnIFV1Sx8+A2cIKf0gSEQquQdNIUiyXKK3wLSNCJHl yaQYUxADuLr+CkwBmhVotPI1JcgnXQjjosUbYpcmv/N6u4XZWRWx0IuoQwK3Avsf ELt6w9UpELxINpWZxjkdP4esnlsmduY8Qpj6sHQu0M2hUT+XZE17vemZVQks16Gf DndvPjHJU3EWWdcYqk9bSHqc9NdLIEf44U6LdIYllubW48LSzbPDiUDg1DmpnCO5 C9t1sZIkEbna4+ft1eMdY3XMslUOOzcOb51hj2R0nbcFwYebCpB+cjjiVPMd8Trw pn4oyWUNL3mWHwvuBXXlQjxmecMzLIbn3dmLr9Ah83wfUr+ouX/lE2ATmLTZJjCN bLYgFuCpEHGezBLuiNsr12imsZl1mXx0SiabW/nEMxzeVPGIx3FnDnczKD+/Z40w /WvwzsaVhPmC2qOYJzPcHBW3Vj12ICatZCUeV/q0BoNwpyBPzkiGXkEsvgjUazja V6C4+ITcEgs= =L8OL -----END PGP SIGNATURE-----