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Red Hat Product Errata RHSA-2021:0227 - Security Advisory
Issued:
2021-01-26
Updated:
2021-01-26

RHSA-2021:0227 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: sudo security update

Type/Severity

Security Advisory: Important

Topic

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.

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.

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

Affected Products

  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

  • BZ - 1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing

CVEs

  • CVE-2021-3156

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/vulnerabilities/RHSB-2021-002
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

    SRPM
    sudo-1.8.6p3-29.el6_10.4.src.rpm SHA-256: aaf567984258aac9554c0846949159a0d0e5f28222bde33d08f75d739fc89dd1
    x86_64
    sudo-1.8.6p3-29.el6_10.4.x86_64.rpm SHA-256: de8dafb6e9bcc498cdf56cb3faf7e00eee22b88adb57afd63497f345a4554b99
    sudo-debuginfo-1.8.6p3-29.el6_10.4.i686.rpm SHA-256: f25762aece02775d2ffa450df348b8b8d71888555513f990e62dc292f2bedb5a
    sudo-debuginfo-1.8.6p3-29.el6_10.4.x86_64.rpm SHA-256: 5eac180c64350a080576d1db5b496bc9f75c68246d2fdb60eba022452ea0dbea
    sudo-debuginfo-1.8.6p3-29.el6_10.4.x86_64.rpm SHA-256: 5eac180c64350a080576d1db5b496bc9f75c68246d2fdb60eba022452ea0dbea
    sudo-devel-1.8.6p3-29.el6_10.4.i686.rpm SHA-256: 102448b0d843756790ffc5d18c29a9ba3d72716d38dfd337433f88d3368b88ed
    sudo-devel-1.8.6p3-29.el6_10.4.x86_64.rpm SHA-256: 125482569e179284661f464488b6e1473ff60c0aaea3258a4eb9a0e824c7c7ac
    i386
    sudo-1.8.6p3-29.el6_10.4.i686.rpm SHA-256: 7af6771606a6888b1a20d677345bc55bfe026f1915e9802c8795dd52326c1097
    sudo-debuginfo-1.8.6p3-29.el6_10.4.i686.rpm SHA-256: f25762aece02775d2ffa450df348b8b8d71888555513f990e62dc292f2bedb5a
    sudo-debuginfo-1.8.6p3-29.el6_10.4.i686.rpm SHA-256: f25762aece02775d2ffa450df348b8b8d71888555513f990e62dc292f2bedb5a
    sudo-devel-1.8.6p3-29.el6_10.4.i686.rpm SHA-256: 102448b0d843756790ffc5d18c29a9ba3d72716d38dfd337433f88d3368b88ed

    Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

    SRPM
    sudo-1.8.6p3-29.el6_10.4.src.rpm SHA-256: aaf567984258aac9554c0846949159a0d0e5f28222bde33d08f75d739fc89dd1
    s390x
    sudo-1.8.6p3-29.el6_10.4.s390x.rpm SHA-256: c0a114369c95326f7e6c8817f38b3ce9feac4d0c22f38f1f5128a6e8bd091fb3
    sudo-debuginfo-1.8.6p3-29.el6_10.4.s390.rpm SHA-256: 79344f65c483677a403d79ce56d8bdff191ec24a72046bc965e0cfa445427afb
    sudo-debuginfo-1.8.6p3-29.el6_10.4.s390x.rpm SHA-256: ffc4f1615a23e3a3bab604b9524d901e847560520277c6329a8df02753c3df7c
    sudo-debuginfo-1.8.6p3-29.el6_10.4.s390x.rpm SHA-256: ffc4f1615a23e3a3bab604b9524d901e847560520277c6329a8df02753c3df7c
    sudo-devel-1.8.6p3-29.el6_10.4.s390.rpm SHA-256: 02cf20acab04808e457a650fa80a25c6825099ee86b3eb7f8c566de8d789797f
    sudo-devel-1.8.6p3-29.el6_10.4.s390x.rpm SHA-256: d9dad186b41301f48e0aa33c73ac1a0f890c8bb79a6bc1dacb4204fc2d456a88

    The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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