RedHat: RHSA-2020-0487:01 Important: sudo security update

    Date12 Feb 2020
    390
    Posted ByLinuxSecurity Advisories
    An update for sudo is now available for Red Hat Enterprise Linux 8. 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
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: sudo security update
    Advisory ID:       RHSA-2020:0487-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0487
    Issue date:        2020-02-13
    CVE Names:         CVE-2019-18634 
    =====================================================================
    
    1. Summary:
    
    An update for sudo is now available for Red Hat Enterprise Linux 8.
    
    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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
    
    3. Description:
    
    The sudo packages contain the sudo utility which allows system
    administrators to provide certain users with the permission to execute
    privileged commands, which are used for system management purposes, without
    having to log in as root.
    
    Security Fix(es):
    
    * sudo: Stack based buffer overflow when pwfeedback is enabled
    (CVE-2019-18634)
    
    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/):
    
    1796944 - CVE-2019-18634 sudo: Stack based buffer overflow when pwfeedback is enabled
    
    6. Package List:
    
    Red Hat Enterprise Linux BaseOS (v. 8):
    
    Source:
    sudo-1.8.25p1-8.el8_1.1.src.rpm
    
    aarch64:
    sudo-1.8.25p1-8.el8_1.1.aarch64.rpm
    sudo-debuginfo-1.8.25p1-8.el8_1.1.aarch64.rpm
    sudo-debugsource-1.8.25p1-8.el8_1.1.aarch64.rpm
    
    ppc64le:
    sudo-1.8.25p1-8.el8_1.1.ppc64le.rpm
    sudo-debuginfo-1.8.25p1-8.el8_1.1.ppc64le.rpm
    sudo-debugsource-1.8.25p1-8.el8_1.1.ppc64le.rpm
    
    s390x:
    sudo-1.8.25p1-8.el8_1.1.s390x.rpm
    sudo-debuginfo-1.8.25p1-8.el8_1.1.s390x.rpm
    sudo-debugsource-1.8.25p1-8.el8_1.1.s390x.rpm
    
    x86_64:
    sudo-1.8.25p1-8.el8_1.1.x86_64.rpm
    sudo-debuginfo-1.8.25p1-8.el8_1.1.x86_64.rpm
    sudo-debugsource-1.8.25p1-8.el8_1.1.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-2019-18634
    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.
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