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    RedHat: RHSA-2021-0227:01 Important: sudo security update

    Date 26 Jan 2021
    1221
    Posted By LinuxSecurity Advisories
    An update for sudo is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: sudo security update
    Advisory ID:       RHSA-2021:0227-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0227
    Issue date:        2021-01-26
    CVE Names:         CVE-2021-3156 
    =====================================================================
    
    1. Summary:
    
    An update for sudo is now available for Red Hat Enterprise Linux 6 Extended
    Lifecycle Support.
    
    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 Server (v. 6 ELS) - i386, s390x, x86_64
    Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, 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: Heap buffer overflow in argument parsing (CVE-2021-3156)
    
    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/):
    
    1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing
    
    6. Package List:
    
    Red Hat Enterprise Linux Server (v. 6 ELS):
    
    Source:
    sudo-1.8.6p3-29.el6_10.4.src.rpm
    
    i386:
    sudo-1.8.6p3-29.el6_10.4.i686.rpm
    sudo-debuginfo-1.8.6p3-29.el6_10.4.i686.rpm
    
    s390x:
    sudo-1.8.6p3-29.el6_10.4.s390x.rpm
    sudo-debuginfo-1.8.6p3-29.el6_10.4.s390x.rpm
    
    x86_64:
    sudo-1.8.6p3-29.el6_10.4.x86_64.rpm
    sudo-debuginfo-1.8.6p3-29.el6_10.4.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 6 ELS):
    
    i386:
    sudo-debuginfo-1.8.6p3-29.el6_10.4.i686.rpm
    sudo-devel-1.8.6p3-29.el6_10.4.i686.rpm
    
    s390x:
    sudo-debuginfo-1.8.6p3-29.el6_10.4.s390.rpm
    sudo-debuginfo-1.8.6p3-29.el6_10.4.s390x.rpm
    sudo-devel-1.8.6p3-29.el6_10.4.s390.rpm
    sudo-devel-1.8.6p3-29.el6_10.4.s390x.rpm
    
    x86_64:
    sudo-debuginfo-1.8.6p3-29.el6_10.4.i686.rpm
    sudo-debuginfo-1.8.6p3-29.el6_10.4.x86_64.rpm
    sudo-devel-1.8.6p3-29.el6_10.4.i686.rpm
    sudo-devel-1.8.6p3-29.el6_10.4.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-2021-3156
    https://access.redhat.com/security/updates/classification/#important
    https://access.redhat.com/security/vulnerabilities/RHSB-2021-002
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2021 Red Hat, Inc.
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