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    RedHat: RHSA-2020-3281:01 Important: libvncserver security update

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    An update for libvncserver is now available for Red Hat Enterprise Linux 7. 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: libvncserver security update
    Advisory ID:       RHSA-2020:3281-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3281
    Issue date:        2020-08-03
    CVE Names:         CVE-2017-18922 
    =====================================================================
    
    1. Summary:
    
    An update for libvncserver is now available for Red Hat Enterprise Linux 7.
    
    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 Client (v. 7) - x86_64
    Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
    Red Hat Enterprise Linux Server (v. 7) - ppc64le, x86_64
    Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
    Red Hat Enterprise Linux Workstation (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
    
    3. Description:
    
    LibVNCServer is a C library that enables you to implement VNC server
    functionality into own programs.
    
    Security Fix(es):
    
    * libvncserver: websocket decoding buffer overflow (CVE-2017-18922)
    
    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/):
    
    1852356 - CVE-2017-18922 libvncserver: websocket decoding buffer overflow
    
    6. Package List:
    
    Red Hat Enterprise Linux Client (v. 7):
    
    Source:
    libvncserver-0.9.9-14.el7_8.1.src.rpm
    
    x86_64:
    libvncserver-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-0.9.9-14.el7_8.1.x86_64.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
    
    Red Hat Enterprise Linux Client Optional (v. 7):
    
    x86_64:
    libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpm
    
    Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    libvncserver-0.9.9-14.el7_8.1.src.rpm
    
    ppc64le:
    libvncserver-0.9.9-14.el7_8.1.ppc64le.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.ppc64le.rpm
    
    x86_64:
    libvncserver-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-0.9.9-14.el7_8.1.x86_64.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 7):
    
    ppc64le:
    libvncserver-debuginfo-0.9.9-14.el7_8.1.ppc64le.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.ppc64le.rpm
    
    x86_64:
    libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation (v. 7):
    
    Source:
    libvncserver-0.9.9-14.el7_8.1.src.rpm
    
    x86_64:
    libvncserver-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-0.9.9-14.el7_8.1.x86_64.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation Optional (v. 7):
    
    x86_64:
    libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm
    libvncserver-devel-0.9.9-14.el7_8.1.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-2017-18922
    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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