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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.4082 Critical: nss security update 2 December 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: nss 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-2021.4065 ESB-2021.4064 ESB-2021.4063 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4907 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: nss security update Advisory ID: RHSA-2021:4907-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4907 Issue date: 2021-12-01 CVE Names: CVE-2021-43527 ===================================================================== 1. Summary: An update for nss is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support. 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: Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64 3. Description: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. 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/11258 After installing this update, applications using NSS (for example, Firefox) must be restarted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) 6. Package List: Red Hat Enterprise Linux Server (v. 6 ELS): Source: nss-3.44.0-12.el6_10.src.rpm i386: nss-3.44.0-12.el6_10.i686.rpm nss-debuginfo-3.44.0-12.el6_10.i686.rpm nss-devel-3.44.0-12.el6_10.i686.rpm nss-sysinit-3.44.0-12.el6_10.i686.rpm nss-tools-3.44.0-12.el6_10.i686.rpm s390x: nss-3.44.0-12.el6_10.s390.rpm nss-3.44.0-12.el6_10.s390x.rpm nss-debuginfo-3.44.0-12.el6_10.s390.rpm nss-debuginfo-3.44.0-12.el6_10.s390x.rpm nss-devel-3.44.0-12.el6_10.s390.rpm nss-devel-3.44.0-12.el6_10.s390x.rpm nss-sysinit-3.44.0-12.el6_10.s390x.rpm nss-tools-3.44.0-12.el6_10.s390x.rpm x86_64: nss-3.44.0-12.el6_10.i686.rpm nss-3.44.0-12.el6_10.x86_64.rpm nss-debuginfo-3.44.0-12.el6_10.i686.rpm nss-debuginfo-3.44.0-12.el6_10.x86_64.rpm nss-devel-3.44.0-12.el6_10.i686.rpm nss-devel-3.44.0-12.el6_10.x86_64.rpm nss-sysinit-3.44.0-12.el6_10.x86_64.rpm nss-tools-3.44.0-12.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6 ELS): i386: nss-debuginfo-3.44.0-12.el6_10.i686.rpm nss-pkcs11-devel-3.44.0-12.el6_10.i686.rpm s390x: nss-debuginfo-3.44.0-12.el6_10.s390.rpm nss-debuginfo-3.44.0-12.el6_10.s390x.rpm nss-pkcs11-devel-3.44.0-12.el6_10.s390.rpm nss-pkcs11-devel-3.44.0-12.el6_10.s390x.rpm x86_64: nss-debuginfo-3.44.0-12.el6_10.i686.rpm nss-debuginfo-3.44.0-12.el6_10.x86_64.rpm nss-pkcs11-devel-3.44.0-12.el6_10.i686.rpm nss-pkcs11-devel-3.44.0-12.el6_10.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 iQIVAwUBYagycdzjgjWX9erEAQiqBA/+J5EUbgllmk0DfKWMO8jcKR5Nk2CHaw3d 1295QbFmyHmx9Q7guWzJHe0BSK8QU40sni+fjcKaLCcaNTPljbE7z4K/+TYdWh6p 9K5SA+FtaFCvTaTyottzCgju4M2FQGxxWx2ObtsIR0OR7ziUCq8G/uLT1H1mGqsm P5x3sBr4JeWETAc8qpWdEF/gaO/t12Q66y8lawGnvl0WX5Rho4Nu+X/mYjpFk/K1 ShdqYY/5NxBX1vBoLrgUtoOQhGfTj3WNwr4JsLAj4S836gWJka8Zpp26Jdin/Kmq TZL6tFuvPlBUg/C6vmED8aooL/zo3VHfy1Do0AjEAMvjSH/a5/VxnsoTqNcjkQFB AnHvj1BQ5hd6jPxSMnoQZ5tqgp0jatlBJS6JUefYFYLw6+7TKZKnKztR5J3NKOob +LLzVUxg4HiB3DD7o8JEYnCgAN6+KJJN2l9wpw9S7HZJ03/tknxGEs4adCL9I7XN DRXLUvDdVzoJSR3r6RpB/I0UmMrOsfRHFKpAjPCj0gy0yewYdFIKRKqxm4FxrDf4 Ltey5xrRvxpDPOc7OEIO6UBMhGpsxhJMoxZcRhyDZ3+SqOILGuSuYhGZWS3WwwK2 Ov2FEvcjbvRIKYxqWnfM1Xhsfy3X6IUoBFOkIXer92M7Q/SWDRuf/+3ZfjOkMrQp /bVLECvr/nA= =D9Hb - -----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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