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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0547 ruby security update 19 February 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ruby Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Modify Arbitrary Files -- Remote with User Interaction Denial of Service -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-1000079 CVE-2018-1000078 CVE-2018-1000077 CVE-2018-1000076 CVE-2018-1000075 CVE-2018-1000074 CVE-2018-1000073 CVE-2018-8780 CVE-2018-8777 Reference: ESB-2019.2958 ESB-2019.2542 ESB-2019.1805 ESB-2018.3348.2 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:0542 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: ruby security update Advisory ID: RHSA-2020:0542-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0542 Issue date: 2020-02-18 CVE Names: CVE-2018-8777 CVE-2018-8780 CVE-2018-1000073 CVE-2018-1000074 CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078 CVE-2018-1000079 ===================================================================== 1. Summary: An update for ruby is now available for Red Hat Enterprise Linux 7.5 Extended Update Support. 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 ComputeNode EUS (v. 7.5) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64 3. Description: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix(es): * ruby: DoS by large request in WEBrick (CVE-2018-8777) * ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780) * rubygems: Path traversal when writing to a symlinked basedir outside of the root (CVE-2018-1000073) * rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML (CVE-2018-1000074) * rubygems: Improper verification of signatures in tarball allows to install mis-signed gem (CVE-2018-1000076) * rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL (CVE-2018-1000077) * rubygems: XSS vulnerability in homepage attribute when displayed via gem server (CVE-2018-1000078) * rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations (CVE-2018-1000079) * rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service (CVE-2018-1000075) 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/): 1547418 - CVE-2018-1000073 rubygems: Path traversal when writing to a symlinked basedir outside of the root 1547419 - CVE-2018-1000074 rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML 1547420 - CVE-2018-1000075 rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service 1547421 - CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem 1547422 - CVE-2018-1000077 rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL 1547425 - CVE-2018-1000078 rubygems: XSS vulnerability in homepage attribute when displayed via gem server 1547426 - CVE-2018-1000079 rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations 1561949 - CVE-2018-8780 ruby: Unintentional directory traversal by poisoned NULL byte in Dir 1561950 - CVE-2018-8777 ruby: DoS by large request in WEBrick 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.5): Source: ruby-2.0.0.648-35.el7_5.src.rpm noarch: ruby-irb-2.0.0.648-35.el7_5.noarch.rpm rubygem-rdoc-4.0.0-35.el7_5.noarch.rpm rubygems-2.0.14.1-35.el7_5.noarch.rpm x86_64: ruby-2.0.0.648-35.el7_5.x86_64.rpm ruby-debuginfo-2.0.0.648-35.el7_5.i686.rpm ruby-debuginfo-2.0.0.648-35.el7_5.x86_64.rpm ruby-libs-2.0.0.648-35.el7_5.i686.rpm ruby-libs-2.0.0.648-35.el7_5.x86_64.rpm rubygem-bigdecimal-1.2.0-35.el7_5.x86_64.rpm rubygem-io-console-0.4.2-35.el7_5.x86_64.rpm rubygem-json-1.7.7-35.el7_5.x86_64.rpm rubygem-psych-2.0.0-35.el7_5.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5): noarch: ruby-doc-2.0.0.648-35.el7_5.noarch.rpm rubygem-minitest-4.3.2-35.el7_5.noarch.rpm rubygem-rake-0.9.6-35.el7_5.noarch.rpm rubygems-devel-2.0.14.1-35.el7_5.noarch.rpm x86_64: ruby-debuginfo-2.0.0.648-35.el7_5.x86_64.rpm ruby-devel-2.0.0.648-35.el7_5.x86_64.rpm ruby-tcltk-2.0.0.648-35.el7_5.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.5): Source: ruby-2.0.0.648-35.el7_5.src.rpm noarch: ruby-irb-2.0.0.648-35.el7_5.noarch.rpm rubygem-rdoc-4.0.0-35.el7_5.noarch.rpm rubygems-2.0.14.1-35.el7_5.noarch.rpm ppc64: ruby-2.0.0.648-35.el7_5.ppc64.rpm ruby-debuginfo-2.0.0.648-35.el7_5.ppc.rpm ruby-debuginfo-2.0.0.648-35.el7_5.ppc64.rpm ruby-libs-2.0.0.648-35.el7_5.ppc.rpm ruby-libs-2.0.0.648-35.el7_5.ppc64.rpm rubygem-bigdecimal-1.2.0-35.el7_5.ppc64.rpm rubygem-io-console-0.4.2-35.el7_5.ppc64.rpm rubygem-json-1.7.7-35.el7_5.ppc64.rpm rubygem-psych-2.0.0-35.el7_5.ppc64.rpm ppc64le: ruby-2.0.0.648-35.el7_5.ppc64le.rpm ruby-debuginfo-2.0.0.648-35.el7_5.ppc64le.rpm ruby-libs-2.0.0.648-35.el7_5.ppc64le.rpm rubygem-bigdecimal-1.2.0-35.el7_5.ppc64le.rpm rubygem-io-console-0.4.2-35.el7_5.ppc64le.rpm rubygem-json-1.7.7-35.el7_5.ppc64le.rpm rubygem-psych-2.0.0-35.el7_5.ppc64le.rpm s390x: ruby-2.0.0.648-35.el7_5.s390x.rpm ruby-debuginfo-2.0.0.648-35.el7_5.s390.rpm ruby-debuginfo-2.0.0.648-35.el7_5.s390x.rpm ruby-libs-2.0.0.648-35.el7_5.s390.rpm ruby-libs-2.0.0.648-35.el7_5.s390x.rpm rubygem-bigdecimal-1.2.0-35.el7_5.s390x.rpm rubygem-io-console-0.4.2-35.el7_5.s390x.rpm rubygem-json-1.7.7-35.el7_5.s390x.rpm rubygem-psych-2.0.0-35.el7_5.s390x.rpm x86_64: ruby-2.0.0.648-35.el7_5.x86_64.rpm ruby-debuginfo-2.0.0.648-35.el7_5.i686.rpm ruby-debuginfo-2.0.0.648-35.el7_5.x86_64.rpm ruby-libs-2.0.0.648-35.el7_5.i686.rpm ruby-libs-2.0.0.648-35.el7_5.x86_64.rpm rubygem-bigdecimal-1.2.0-35.el7_5.x86_64.rpm rubygem-io-console-0.4.2-35.el7_5.x86_64.rpm rubygem-json-1.7.7-35.el7_5.x86_64.rpm rubygem-psych-2.0.0-35.el7_5.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.5): noarch: ruby-doc-2.0.0.648-35.el7_5.noarch.rpm rubygem-minitest-4.3.2-35.el7_5.noarch.rpm rubygem-rake-0.9.6-35.el7_5.noarch.rpm rubygems-devel-2.0.14.1-35.el7_5.noarch.rpm ppc64: ruby-debuginfo-2.0.0.648-35.el7_5.ppc64.rpm ruby-devel-2.0.0.648-35.el7_5.ppc64.rpm ruby-tcltk-2.0.0.648-35.el7_5.ppc64.rpm ppc64le: ruby-debuginfo-2.0.0.648-35.el7_5.ppc64le.rpm ruby-devel-2.0.0.648-35.el7_5.ppc64le.rpm ruby-tcltk-2.0.0.648-35.el7_5.ppc64le.rpm s390x: ruby-debuginfo-2.0.0.648-35.el7_5.s390x.rpm ruby-devel-2.0.0.648-35.el7_5.s390x.rpm ruby-tcltk-2.0.0.648-35.el7_5.s390x.rpm x86_64: ruby-debuginfo-2.0.0.648-35.el7_5.x86_64.rpm ruby-devel-2.0.0.648-35.el7_5.x86_64.rpm ruby-tcltk-2.0.0.648-35.el7_5.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-2018-8777 https://access.redhat.com/security/cve/CVE-2018-8780 https://access.redhat.com/security/cve/CVE-2018-1000073 https://access.redhat.com/security/cve/CVE-2018-1000074 https://access.redhat.com/security/cve/CVE-2018-1000075 https://access.redhat.com/security/cve/CVE-2018-1000076 https://access.redhat.com/security/cve/CVE-2018-1000077 https://access.redhat.com/security/cve/CVE-2018-1000078 https://access.redhat.com/security/cve/CVE-2018-1000079 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 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXkv4ONzjgjWX9erEAQhO8BAAqGYT3pwtVrs1zcUjdyboT5lY4ar/5vvk irSv/2sI4+SS51My3BDRtf9gvwKYOGVyAsZTlzwXKB7NyT+SAY7BusNmtLXhiIzc 2d+DaB6/iCS7PSA6d1vtIM12YCSQLCOStfrZGXkMKi2F6dHduqKJvB2FAOljYMoS EK38WtKeCgNQRycKiyM8n7UJ9keG6QYhoFQ2Caf0fm1CiqUd0eQXKajXJFq6IxbF pAhFK/ZSJAjHMGoh6mMWqbznh0yJx8QHi5F7+D6yU5c/yxy6klBMR+s0Qh2Dtq7H PxeJYSJW+xpf5vXW7RVcLCrjj8I9W+E1+cKoAFxXhac/cyMANZJqGzNYbWSdyECk KRBXx5jVnroMK4/MHqbLorTOzgWaSWlluHvhgvcwJE78NycmSAe0uuDH+rEt1+Nb nsEHUUp+GgZBpScPeOyPWS3SZ7B84RmFZmqkJ2dnAyxf7z/9CVQT406/csxWh48c gYeaeLnlzQoILLLuLayYK+pGyH5DHTcnUBoI3myR0wTXgwGyOI7xUjVrPnOgXxox EQWh/TRgcMLk0kev+mdiL8i/2abqXG8/E5ExtLd5llaDk4n9yRuKAEPO9ugToaFG GSApDl/DoNcJu/h8NG/MyrSl8MadvA9o/ZjXmY50PuwNZiW2lndGN2XvkDd+rADg PvMv/3iu7MA= =Rsg/ - -----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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