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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3375 openssl security update 13 October 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: openssl Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-23841 CVE-2021-23840 Reference: ESB-2021.3209 ESB-2021.2657 ESB-2021.2259.2 ESB-2021.1916 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:3798 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: openssl security update Advisory ID: RHSA-2021:3798-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3798 Issue date: 2021-10-12 CVE Names: CVE-2021-23840 CVE-2021-23841 ===================================================================== 1. Summary: An update for openssl is 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 Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Security Fix(es): * openssl: integer overflow in CipherUpdate (CVE-2021-23840) * openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841) 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 For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted. 5. Bugs fixed (https://bugzilla.redhat.com/): 1930310 - CVE-2021-23841 openssl: NULL pointer dereference in X509_issuer_and_serial_hash() 1930324 - CVE-2021-23840 openssl: integer overflow in CipherUpdate 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: openssl-1.0.2k-22.el7_9.src.rpm x86_64: openssl-1.0.2k-22.el7_9.x86_64.rpm openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-libs-1.0.2k-22.el7_9.i686.rpm openssl-libs-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-devel-1.0.2k-22.el7_9.i686.rpm openssl-devel-1.0.2k-22.el7_9.x86_64.rpm openssl-perl-1.0.2k-22.el7_9.x86_64.rpm openssl-static-1.0.2k-22.el7_9.i686.rpm openssl-static-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: openssl-1.0.2k-22.el7_9.src.rpm x86_64: openssl-1.0.2k-22.el7_9.x86_64.rpm openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-libs-1.0.2k-22.el7_9.i686.rpm openssl-libs-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-devel-1.0.2k-22.el7_9.i686.rpm openssl-devel-1.0.2k-22.el7_9.x86_64.rpm openssl-perl-1.0.2k-22.el7_9.x86_64.rpm openssl-static-1.0.2k-22.el7_9.i686.rpm openssl-static-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: openssl-1.0.2k-22.el7_9.src.rpm ppc64: openssl-1.0.2k-22.el7_9.ppc64.rpm openssl-debuginfo-1.0.2k-22.el7_9.ppc.rpm openssl-debuginfo-1.0.2k-22.el7_9.ppc64.rpm openssl-devel-1.0.2k-22.el7_9.ppc.rpm openssl-devel-1.0.2k-22.el7_9.ppc64.rpm openssl-libs-1.0.2k-22.el7_9.ppc.rpm openssl-libs-1.0.2k-22.el7_9.ppc64.rpm ppc64le: openssl-1.0.2k-22.el7_9.ppc64le.rpm openssl-debuginfo-1.0.2k-22.el7_9.ppc64le.rpm openssl-devel-1.0.2k-22.el7_9.ppc64le.rpm openssl-libs-1.0.2k-22.el7_9.ppc64le.rpm s390x: openssl-1.0.2k-22.el7_9.s390x.rpm openssl-debuginfo-1.0.2k-22.el7_9.s390.rpm openssl-debuginfo-1.0.2k-22.el7_9.s390x.rpm openssl-devel-1.0.2k-22.el7_9.s390.rpm openssl-devel-1.0.2k-22.el7_9.s390x.rpm openssl-libs-1.0.2k-22.el7_9.s390.rpm openssl-libs-1.0.2k-22.el7_9.s390x.rpm x86_64: openssl-1.0.2k-22.el7_9.x86_64.rpm openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-devel-1.0.2k-22.el7_9.i686.rpm openssl-devel-1.0.2k-22.el7_9.x86_64.rpm openssl-libs-1.0.2k-22.el7_9.i686.rpm openssl-libs-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: openssl-debuginfo-1.0.2k-22.el7_9.ppc.rpm openssl-debuginfo-1.0.2k-22.el7_9.ppc64.rpm openssl-perl-1.0.2k-22.el7_9.ppc64.rpm openssl-static-1.0.2k-22.el7_9.ppc.rpm openssl-static-1.0.2k-22.el7_9.ppc64.rpm ppc64le: openssl-debuginfo-1.0.2k-22.el7_9.ppc64le.rpm openssl-perl-1.0.2k-22.el7_9.ppc64le.rpm openssl-static-1.0.2k-22.el7_9.ppc64le.rpm s390x: openssl-debuginfo-1.0.2k-22.el7_9.s390.rpm openssl-debuginfo-1.0.2k-22.el7_9.s390x.rpm openssl-perl-1.0.2k-22.el7_9.s390x.rpm openssl-static-1.0.2k-22.el7_9.s390.rpm openssl-static-1.0.2k-22.el7_9.s390x.rpm x86_64: openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-perl-1.0.2k-22.el7_9.x86_64.rpm openssl-static-1.0.2k-22.el7_9.i686.rpm openssl-static-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: openssl-1.0.2k-22.el7_9.src.rpm x86_64: openssl-1.0.2k-22.el7_9.x86_64.rpm openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-devel-1.0.2k-22.el7_9.i686.rpm openssl-devel-1.0.2k-22.el7_9.x86_64.rpm openssl-libs-1.0.2k-22.el7_9.i686.rpm openssl-libs-1.0.2k-22.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: openssl-debuginfo-1.0.2k-22.el7_9.i686.rpm openssl-debuginfo-1.0.2k-22.el7_9.x86_64.rpm openssl-perl-1.0.2k-22.el7_9.x86_64.rpm openssl-static-1.0.2k-22.el7_9.i686.rpm openssl-static-1.0.2k-22.el7_9.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-2021-23840 https://access.redhat.com/security/cve/CVE-2021-23841 https://access.redhat.com/security/updates/classification/#moderate 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 iQIVAwUBYWWqjtzjgjWX9erEAQj4lg/+IFxqmMQqLSvyz8cKUAPgss/+/wFMpRgh ZZxYBQQ0cBFfWFlROVLaRdeiGcZYkyJCRDqy2Yb8YO1A4PnSOc+htLFYmSmU2kcm QLHinOzGEZo/44vN7Qsl4WhJkJIdlysCwKpkkOCUprMEnhlWMvja2eSSG9JLH16d RqGe4AsJQLKSKLgmhejCOqxb9am+t9zBW0zaZHP4UR52Ju1rG5rLjBJ85Gcrmp2B vp/GVEQ/Asid4MZA2WTx+s6wj5Dt7JOdLWrUbcYAC0I8oPWbAoZJTfPkM7S6Xv+U 68iruVFTh74IkCbQ+SNLoYjiDAVJqtAVRVBha7Fd3/gWR6aJLLaqluLRGvd0mwXY pohCS0ynuMQ9wtYOJ3ezSVcBN+/d9Hs/3s8RWQTzrNG6jtBe57H9/tNkeSVFSVvu PMKXsUoOrIUE2HCflJytDB9wkQmsWxiZoH/xVlrtD0D11egZ4EWjJL6x+xtCTAkT u67CAwsCKxxCeNmz42uBtXSwFXoUapJnsviGzAx247T2pyuXlYMYHlsOy7CtBvIk jEEosCMM72UyXO4XsYTXc0jM3ze6iQTcF9irwhy+X+rTB4IXBubdUEoT0jnKlwfI BQvoPEBlcG+f0VU8BL+FCOosvM0ZqC7KGGOwJLoG1Vqz8rbtmhpcmNAOvzUiHdm3 T4OjSl1NzQQ= =Taj2 - -----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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