RedHat: RHSA-2019-4061:01 Important: patch security update

    Date03 Dec 2019
    CategoryRed Hat
    140
    Posted ByLinuxSecurity Advisories
    An update for patch is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions.
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: patch security update
    Advisory ID:       RHSA-2019:4061-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:4061
    Issue date:        2019-12-03
    CVE Names:         CVE-2018-20969 CVE-2019-13638 
    =====================================================================
    
    1. Summary:
    
    An update for patch is now available for Red Hat Enterprise Linux 7.4
    Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update
    Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP
    Solutions.
    
    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 AUS (v. 7.4) - x86_64
    Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64
    Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64
    
    3. Description:
    
    The patch program applies diff files to originals. The diff command is used
    to compare an original to a changed file. Diff lists the changes made to
    the file. A person who has the original file can then use the patch command
    with the diff file to add the changes to their original file (patching the
    file).
    
    Security Fix(es):
    
    * patch: do_ed_script in pch.c does not block strings beginning with a !
    character (CVE-2018-20969)
    
    * patch: OS shell command injection when processing crafted patch files
    (CVE-2019-13638)
    
    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/):
    
    1733916 - CVE-2019-13638 patch: OS shell command injection when processing crafted patch files
    1746672 - CVE-2018-20969 patch: do_ed_script in pch.c does not block strings beginning with a ! character
    
    6. Package List:
    
    Red Hat Enterprise Linux Server AUS (v. 7.4):
    
    Source:
    patch-2.7.1-11.el7_4.src.rpm
    
    x86_64:
    patch-2.7.1-11.el7_4.x86_64.rpm
    patch-debuginfo-2.7.1-11.el7_4.x86_64.rpm
    
    Red Hat Enterprise Linux Server E4S (v. 7.4):
    
    Source:
    patch-2.7.1-11.el7_4.src.rpm
    
    ppc64le:
    patch-2.7.1-11.el7_4.ppc64le.rpm
    patch-debuginfo-2.7.1-11.el7_4.ppc64le.rpm
    
    x86_64:
    patch-2.7.1-11.el7_4.x86_64.rpm
    patch-debuginfo-2.7.1-11.el7_4.x86_64.rpm
    
    Red Hat Enterprise Linux Server TUS (v. 7.4):
    
    Source:
    patch-2.7.1-11.el7_4.src.rpm
    
    x86_64:
    patch-2.7.1-11.el7_4.x86_64.rpm
    patch-debuginfo-2.7.1-11.el7_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-2018-20969
    https://access.redhat.com/security/cve/CVE-2019-13638
    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 2019 Red Hat, Inc.
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