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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.4168 Red Hat Virtualization Host security update 9 December 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Red Hat Virtualization Host Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-43527 Reference: ESB-2021.4165 ESB-2021.4146 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:5006 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] Async #1 Advisory ID: RHSA-2021:5006-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2021:5006 Issue date: 2021-12-08 CVE Names: CVE-2021-43527 ===================================================================== 1. Summary: An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. 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: RHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64 Red Hat Virtualization 4 Hypervisor for RHEL 8 - x86_64 3. Description: The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Security Fix(es): * nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527) 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: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 5. Bugs fixed (https://bugzilla.redhat.com/): 2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) 2029406 - Could not find available upgrade package, when upgrade RHVH to the latest rhvh-4.4.9.3-0.20211202.0+1 6. Package List: Red Hat Virtualization 4 Hypervisor for RHEL 8: Source: redhat-virtualization-host-4.4.9-202112061811_8.5.src.rpm x86_64: redhat-virtualization-host-image-update-4.4.9-202112061811_8.5.x86_64.rpm RHEL 8-based RHEV-H for RHEV 4 (build requirements): Source: redhat-release-virtualization-host-4.4.9-3.el8ev.src.rpm noarch: redhat-virtualization-host-image-update-placeholder-4.4.9-3.el8ev.noarch.rpm x86_64: redhat-release-virtualization-host-4.4.9-3.el8ev.x86_64.rpm redhat-release-virtualization-host-content-4.4.9-3.el8ev.x86_64.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-2021-43527 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/security/vulnerabilities/RHSB-2021-008 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 iQIVAwUBYbC279zjgjWX9erEAQgd0g/+Oip0y8d3cR1KhdCOD3/gat0yaMometjv uu6KDBUeq1OU6nfn7rj+cMHTS+qCSt4K0nR+MAi1WsfEQg+avTWKYRoJie4WZXrA 58gxS0iI3vRYhMiwtGj+C3F1QXogEGWayI9B+mgSmNERQfi4HIm40ul8+Xxm97vJ Z4gplJ0Ewr6xrxJsMbDZbg2PKwgZRbS6lbxytYE2+LjCk3NFY8xtgijHqmS5O+Cq jsUFGagwb4p9gmR3M3XALQNZmsg2izSc03b3R7g0ZAjgxVkHgKbvwA0K1R9pR5Xn M1TQXAiN2e06AOQC7LhjKTu22ZoOiN8ca5kJLsKT9yIaAscgVKnBkuPejKo88u4u VW0ORalSTyB1QcXMhRnzkhE10eWeHcGA3NNUIKRPD5x423/97iJRPfI6ZbMG70hI aoWnjDow3i0FpHKEG8IqVQQRWKNKv1VEK7DFvtlivdpGpYH2sGZV85Es/bbg0ijn fyl9Ri90anEUemvAxiW9Qcym98FLLeYF/xuGViE3rCtSopuySEmX85EprNHJgGad AH1FQVHscoPoxdQTwp7KrP/cOEJD6h6WOqDOUI80c4+FplUNCb/owgzjdFJBxPhq Hc/iQccwl+/u1rXvnDzaat9FBXFNuntGxCNuhqgs3tjERZpO17vpI4v5nJSTyDFW hQ5CDGyhKo0= =86mZ - -----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 iQIVAwUBYbFPYONLKJtyKPYoAQiDHRAAoewktCd6c3Hq5SYxuvhivfL+9p5RSD0O lrFUhdRFtFDh8oZxACoo+6eEiFcv/sKhyOSpxmblQdAEkVbwgnCwNPTAeZh7dMOV xrRIL+kFQnQ8wW7leacjHk1z8ugdxzXj0zG4EDvveGUi1fikdJSERsZUb8ITwt2y k9cgzap4XKl29XsrqPF2LEMnUe/Q2yMC48XN96pgEeaBFTmJt5C0BeUobSXMcF2N Gw9XithFbc9ibDMw/rWJRaBzQEBrMmpQVkEJtNIaP9ywbS2zK5lOV2x8HU5MpBDI 3nZanoSy0335CFZpEdkOAA2pVnoxxNpL/qlQk0gB7GC6R3Z/xGPz63te06pBd7qL VpVL5JAxkleEkqMqDUP07y7dr71ImfSMovYEsWMcsnyDIGJikal8hJCPivwIJvyT iROLUJBhzvfULfUX0JLv+f5Kr2fY6tV3o5o1ODvLvYwzWsYUXoyC//Ejt4x80cdH qZ/PqAPKhlFwlPmF6/5uZDeJXUAsoSVXIQ1EXZYdBACAqaa4HG/7ILHwjoRv/H1I jhX2f0KYee3TUV5T72oIj2skk5np3Qm81q8h/6T7w+6uXesIvgU9PHDF4GzUoX+H /D8IlkziKaKjXiNtIqAK8NfG2/aMNmJa4PtzRa/cHnwvtXhQrvVhe7wzLoY11KCp ysLIu7KK1C8= =QxhI -----END PGP SIGNATURE-----