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Red Hat Enterprise Linux 6: Important Zsh Security Update RHSA-2020-0892-01

An update for zsh is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: zsh security update Advisory ID: RHSA-2020:0892-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0892 Issue date: 2020-03-18 CVE Names: CVE-2019-20044 ==================================================================== 1. Summary: An update for zsh is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. 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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, 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, andmore. Security Fix(es): * zsh: insecure dropping of privileges when unsetting PRIVILEGED option (CVE-2019-20044) 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/): 1804859 - CVE-2019-20044 zsh: insecure dropping of privileges when unsetting PRIVILEGED option 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: zsh-4.3.11-11.el6_10.src.rpm i386: zsh-4.3.11-11.el6_10.i686.rpm zsh-debuginfo-4.3.11-11.el6_10.i686.rpm x86_64: zsh-4.3.11-11.el6_10.x86_64.rpm zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: zsh-debuginfo-4.3.11-11.el6_10.i686.rpm zsh-html-4.3.11-11.el6_10.i686.rpm x86_64: zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm zsh-html-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: zsh-4.3.11-11.el6_10.src.rpm x86_64: zsh-4.3.11-11.el6_10.x86_64.rpm zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): x86_64: zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm zsh-html-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: zsh-4.3.11-11.el6_10.src.rpm i386: zsh-4.3.11-11.el6_10.i686.rpm zsh-debuginfo-4.3.11-11.el6_10.i686.rpm ppc64: zsh-4.3.11-11.el6_10.ppc64.rpm zsh-debuginfo-4.3.11-11.el6_10.ppc64.rpm s390x: zsh-4.3.11-11.el6_10.s390x.rpm zsh-debuginfo-4.3.11-11.el6_10.s390x.rpm x86_64: zsh-4.3.11-11.el6_10.x86_64.rpm zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v.6): i386: zsh-debuginfo-4.3.11-11.el6_10.i686.rpm zsh-html-4.3.11-11.el6_10.i686.rpm ppc64: zsh-debuginfo-4.3.11-11.el6_10.ppc64.rpm zsh-html-4.3.11-11.el6_10.ppc64.rpm s390x: zsh-debuginfo-4.3.11-11.el6_10.s390x.rpm zsh-html-4.3.11-11.el6_10.s390x.rpm x86_64: zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm zsh-html-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: zsh-4.3.11-11.el6_10.src.rpm i386: zsh-4.3.11-11.el6_10.i686.rpm zsh-debuginfo-4.3.11-11.el6_10.i686.rpm x86_64: zsh-4.3.11-11.el6_10.x86_64.rpm zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: zsh-debuginfo-4.3.11-11.el6_10.i686.rpm zsh-html-4.3.11-11.el6_10.i686.rpm x86_64: zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm zsh-html-4.3.11-11.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-2019-20044 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBXnIt29zjgjWX9erEAQi4TQ/9HVNAwGdPF8aA0BtkIqVJ6/uh7NIrtGFM YBtcMngBSsnkvIsBZspUhf+UHqtiO2fRJ0tcXgXy5l+S5vRzIG3Jh9oDe8sv3HPu XAu7twvBTPMkSCoCpa7r9ZcgtIdKLskmt9t+lpglgSa5Fuj8QJO6RM5DsmIaX+x8 khnGQO3AzgsKSpmJhB+CcXSbRsDX+D9xtwrOWzE9gBowUAjb+loMcv74/1AcxyWE 6RZuZI58nppx1uTbvpJz/VnU89VsRUupANO847WAzSGBKQ/i0/eoXIiqJIkojWQO yI+XrprXzSheZAe+GTBJ+0eRohu41cVPDdB6LIEeRVm5/uGANVGV2t3DzMS8Uo6a ztXgVoobHcjemJ6A+DQW+UpM4RybHuW+d8z5SryNoYW2IHj1D5N5E1P58bqh6d39 Bc0IFuMbeVnF3vXxxe5WhvDRQ2+TTW/BWy5lk3bNjQaRb8QFPabuEL4+NV10RNM2 z4QwOuI8tOIqbecIg+WjaAuL76rQNn8kZ+xAXC9TCPf12J+GpjEQa22KyL72Zmro KDiPaI3gZSSmVFmbU6DF3JjJCvjb+XCbm2Se5RfB7CunRQGJomZF+9C2OvbfNZSk w3MRUUEOouL8Wy+Ws57mWrirRw0BNvvemYoKmNd5Jgf2ZRA0RjIgOx9PPvJQ1Fdj Z7m01LL4Vug=QFxN -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Crucial zsh security patch released for Red Hat Enterprise Linux 6 tackling privilege control vulnerabilities. Discover additional details!. Red Hat Update, Zsh Fix, Enterprise Security, Command Shell Update. . Severity: Important. LinuxSecurity.com Team

Mar 18, 2020 •Important Red Hat