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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2957 zsh security and bug fix update 7 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: zsh Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-13259 Reference: ESB-2018.2718 ESB-2018.2714 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:2017 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: zsh security and bug fix update Advisory ID: RHSA-2019:2017-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2017 Issue date: 2019-08-06 CVE Names: CVE-2018-13259 ===================================================================== 1. Summary: An update for zsh 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: The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. Security Fix(es): * zsh: Improper handling of shebang line longer than 64 (CVE-2018-13259) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from 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/): 1626184 - CVE-2018-13259 zsh: Improper handling of shebang line longer than 64 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: zsh-5.0.2-33.el7.src.rpm x86_64: zsh-5.0.2-33.el7.x86_64.rpm zsh-debuginfo-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: zsh-debuginfo-5.0.2-33.el7.x86_64.rpm zsh-html-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: zsh-5.0.2-33.el7.src.rpm x86_64: zsh-5.0.2-33.el7.x86_64.rpm zsh-debuginfo-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: zsh-debuginfo-5.0.2-33.el7.x86_64.rpm zsh-html-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: zsh-5.0.2-33.el7.src.rpm ppc64: zsh-5.0.2-33.el7.ppc64.rpm zsh-debuginfo-5.0.2-33.el7.ppc64.rpm ppc64le: zsh-5.0.2-33.el7.ppc64le.rpm zsh-debuginfo-5.0.2-33.el7.ppc64le.rpm s390x: zsh-5.0.2-33.el7.s390x.rpm zsh-debuginfo-5.0.2-33.el7.s390x.rpm x86_64: zsh-5.0.2-33.el7.x86_64.rpm zsh-debuginfo-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: zsh-debuginfo-5.0.2-33.el7.ppc64.rpm zsh-html-5.0.2-33.el7.ppc64.rpm ppc64le: zsh-debuginfo-5.0.2-33.el7.ppc64le.rpm zsh-html-5.0.2-33.el7.ppc64le.rpm s390x: zsh-debuginfo-5.0.2-33.el7.s390x.rpm zsh-html-5.0.2-33.el7.s390x.rpm x86_64: zsh-debuginfo-5.0.2-33.el7.x86_64.rpm zsh-html-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: zsh-5.0.2-33.el7.src.rpm x86_64: zsh-5.0.2-33.el7.x86_64.rpm zsh-debuginfo-5.0.2-33.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: zsh-debuginfo-5.0.2-33.el7.x86_64.rpm zsh-html-5.0.2-33.el7.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-2018-13259 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/7.7_release_notes/index 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXUl20NzjgjWX9erEAQhNDg//XRmPG4LBv+FwA/aX+cx8UEG7DyGPR2X6 QGPfpaFroPKk8VWAeQEXj37oymopL1yFn/OHh1qH+6qqKdzUgbYCf3MkZjnB1p5B Tl3c/+SCYJn91NCb11lCoGs1KY2LkiwbLjC9D0HHJXq2Z3OQSCKN9EG4LV05bojX jFJyxMUrsZ2MijMuxVmO6hUZ/22FyGNOixIohMjWIth97m1Twzb8esNmBBWlaqKg PSnpNrRZ82vDbYEDbNkouQOsBeqJPAt3HNoAjZnHpQkEJT7TvnnlEjJbjNG8oNHw GRe9v9ZB/G7YJq+bDCREPcsPW5TMo1L7ehJeNsJ52dfFLeMxHKYt843NmD5Iq5hw 3ner/4s5CR3AxFVtryqTUk4tb6LOfDUbgROpT1RkX7VrJ8uliiFGiM4DGAoQaoED jD+ErLQ43v21IHuwJHb0OrKGE786xxYsdTmWWqm+cNw0y2ReJ4nUJOwKk17YQ05X 4+a+IKNhq9ZF8ren/lBCdyPRhUSmxcizdrqPNq6WDn+OMg5Fcqn+DX0AcR9uxhqR 3kb9V+dSX7Ul25rOo1fhiHmbvAVSb5zZFEUwbMHK6rvWCS5/DrT0t/ayNC6fesT1 kR20MxVBY/EFSZYcDjkgUdL9f7jXUlLxv/iLZtTMr3zJiNjaUjE+Cf1kwnZMJpsp 7H4a/I6oZjs= =6Q7S - -----END PGP SIGNATURE----- - -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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