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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1338 perl security update 21 April 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: perl Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-12723 CVE-2020-10878 CVE-2020-10543 Reference: ASB-2020.0179 ESB-2021.1096 ESB-2021.0845 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:1266 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: perl security update Advisory ID: RHSA-2021:1266-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1266 Issue date: 2021-04-20 CVE Names: CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 ===================================================================== 1. Summary: An update for perl is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. 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 Server AUS (v. 7.4) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64 3. Description: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: heap-based buffer overflow in regular expression compiler leads to DoS (CVE-2020-10543) * perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS (CVE-2020-10878) * perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS (CVE-2020-12723) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1837975 - CVE-2020-10543 perl: heap-based buffer overflow in regular expression compiler leads to DoS 1837988 - CVE-2020-10878 perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS 1838000 - CVE-2020-12723 perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS 1938673 - perl-5.26.3-416.el8 FTBFS: ../cpan/Time-Local/t/Local.t test fails in year 2020 [rhel-7.4.z] 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.4): Source: perl-5.16.3-292.el7_4.2.src.rpm noarch: perl-CPAN-1.9800-292.el7_4.2.noarch.rpm perl-ExtUtils-CBuilder-0.28.2.6-292.el7_4.2.noarch.rpm perl-ExtUtils-Embed-1.30-292.el7_4.2.noarch.rpm perl-ExtUtils-Install-1.58-292.el7_4.2.noarch.rpm perl-IO-Zlib-1.10-292.el7_4.2.noarch.rpm perl-Locale-Maketext-Simple-0.21-292.el7_4.2.noarch.rpm perl-Module-CoreList-2.76.02-292.el7_4.2.noarch.rpm perl-Module-Loaded-0.08-292.el7_4.2.noarch.rpm perl-Object-Accessor-0.42-292.el7_4.2.noarch.rpm perl-Package-Constants-0.02-292.el7_4.2.noarch.rpm perl-Pod-Escapes-1.04-292.el7_4.2.noarch.rpm x86_64: perl-5.16.3-292.el7_4.2.x86_64.rpm perl-Time-Piece-1.20.1-292.el7_4.2.x86_64.rpm perl-core-5.16.3-292.el7_4.2.x86_64.rpm perl-debuginfo-5.16.3-292.el7_4.2.i686.rpm perl-debuginfo-5.16.3-292.el7_4.2.x86_64.rpm perl-devel-5.16.3-292.el7_4.2.i686.rpm perl-devel-5.16.3-292.el7_4.2.x86_64.rpm perl-libs-5.16.3-292.el7_4.2.i686.rpm perl-libs-5.16.3-292.el7_4.2.x86_64.rpm perl-macros-5.16.3-292.el7_4.2.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.4): Source: perl-5.16.3-292.el7_4.2.src.rpm noarch: perl-CPAN-1.9800-292.el7_4.2.noarch.rpm perl-ExtUtils-CBuilder-0.28.2.6-292.el7_4.2.noarch.rpm perl-ExtUtils-Embed-1.30-292.el7_4.2.noarch.rpm perl-ExtUtils-Install-1.58-292.el7_4.2.noarch.rpm perl-IO-Zlib-1.10-292.el7_4.2.noarch.rpm perl-Locale-Maketext-Simple-0.21-292.el7_4.2.noarch.rpm perl-Module-CoreList-2.76.02-292.el7_4.2.noarch.rpm perl-Module-Loaded-0.08-292.el7_4.2.noarch.rpm perl-Object-Accessor-0.42-292.el7_4.2.noarch.rpm perl-Package-Constants-0.02-292.el7_4.2.noarch.rpm perl-Pod-Escapes-1.04-292.el7_4.2.noarch.rpm ppc64le: perl-5.16.3-292.el7_4.2.ppc64le.rpm perl-Time-Piece-1.20.1-292.el7_4.2.ppc64le.rpm perl-core-5.16.3-292.el7_4.2.ppc64le.rpm perl-debuginfo-5.16.3-292.el7_4.2.ppc64le.rpm perl-devel-5.16.3-292.el7_4.2.ppc64le.rpm perl-libs-5.16.3-292.el7_4.2.ppc64le.rpm perl-macros-5.16.3-292.el7_4.2.ppc64le.rpm x86_64: perl-5.16.3-292.el7_4.2.x86_64.rpm perl-Time-Piece-1.20.1-292.el7_4.2.x86_64.rpm perl-core-5.16.3-292.el7_4.2.x86_64.rpm perl-debuginfo-5.16.3-292.el7_4.2.i686.rpm perl-debuginfo-5.16.3-292.el7_4.2.x86_64.rpm perl-devel-5.16.3-292.el7_4.2.i686.rpm perl-devel-5.16.3-292.el7_4.2.x86_64.rpm perl-libs-5.16.3-292.el7_4.2.i686.rpm perl-libs-5.16.3-292.el7_4.2.x86_64.rpm perl-macros-5.16.3-292.el7_4.2.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.4): Source: perl-5.16.3-292.el7_4.2.src.rpm noarch: perl-CPAN-1.9800-292.el7_4.2.noarch.rpm perl-ExtUtils-CBuilder-0.28.2.6-292.el7_4.2.noarch.rpm perl-ExtUtils-Embed-1.30-292.el7_4.2.noarch.rpm perl-ExtUtils-Install-1.58-292.el7_4.2.noarch.rpm perl-IO-Zlib-1.10-292.el7_4.2.noarch.rpm perl-Locale-Maketext-Simple-0.21-292.el7_4.2.noarch.rpm perl-Module-CoreList-2.76.02-292.el7_4.2.noarch.rpm perl-Module-Loaded-0.08-292.el7_4.2.noarch.rpm perl-Object-Accessor-0.42-292.el7_4.2.noarch.rpm perl-Package-Constants-0.02-292.el7_4.2.noarch.rpm perl-Pod-Escapes-1.04-292.el7_4.2.noarch.rpm x86_64: perl-5.16.3-292.el7_4.2.x86_64.rpm perl-Time-Piece-1.20.1-292.el7_4.2.x86_64.rpm perl-core-5.16.3-292.el7_4.2.x86_64.rpm perl-debuginfo-5.16.3-292.el7_4.2.i686.rpm perl-debuginfo-5.16.3-292.el7_4.2.x86_64.rpm perl-devel-5.16.3-292.el7_4.2.i686.rpm perl-devel-5.16.3-292.el7_4.2.x86_64.rpm perl-libs-5.16.3-292.el7_4.2.i686.rpm perl-libs-5.16.3-292.el7_4.2.x86_64.rpm perl-macros-5.16.3-292.el7_4.2.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.4): x86_64: perl-debuginfo-5.16.3-292.el7_4.2.x86_64.rpm perl-tests-5.16.3-292.el7_4.2.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.4): ppc64le: perl-debuginfo-5.16.3-292.el7_4.2.ppc64le.rpm perl-tests-5.16.3-292.el7_4.2.ppc64le.rpm x86_64: perl-debuginfo-5.16.3-292.el7_4.2.x86_64.rpm perl-tests-5.16.3-292.el7_4.2.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.4): x86_64: perl-debuginfo-5.16.3-292.el7_4.2.x86_64.rpm perl-tests-5.16.3-292.el7_4.2.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-2020-10543 https://access.redhat.com/security/cve/CVE-2020-10878 https://access.redhat.com/security/cve/CVE-2020-12723 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 iQIVAwUBYH7PTtzjgjWX9erEAQg5Rg//XzoyzGoFRn5v3JT/1ZxNTBxZ+2SbVWnf MVMm5qt1Lkk8s/0DQnvJPKQaHc5yISwGIZChNZe4FxaxSfsn7nvH88d38Xpwht8q QsmKGPEyYmb9qvMbCpjFV6+T1ggaMvfikeFTCe49Kx3H/dDMKPXYvZqL9VtjbKKc Bf0G2fJkhCaEFeFksHZShu2tofoVaHeN/RkwoQrK2HWqb8emlEY5aTtdx3znzSwV Vg3l3sGJ4eDKLz8sWvUJtkkljM/uTM0klbbseyl6duBdFzzSegnn6dMcWLsntADr PgmyL5WMI7lLfJoBwK0m7D45HfCaVMVMp9dQdr5RE+IO+DXUQf9plEhKCIuPBiii aMugog1BamqQUHSYBwyhUOGjyT51SJHg+uVbvYzrQRM8v9YFDgYyliCiqJQmlik7 kq6Jmytn3AkrGQWCJy5TALvNnM59TDTM9IiBNHZ2iA3g59U2a6KZvYFgyT6JZ7rJ FEdgxtMdCLGXIS/aAeq9kiU+Jg4a3RN8gPhGiE39WACtvQ8QWs3GrYDVxlSF6eXg rzXOA6UYyTICfhT4JKb54bkH1MzR7hRaMX0UqnAF4gsPgduEmMdwSpB+5e1q/XIr tRH/FrGPdB/aTo19Pk6u3SQxgpYXQf+SpFiSpxvwsVaSNKGgm3eh3soNuXCCKfpf qTMMs3KSLLM= =1/yn - -----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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