-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   
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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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1gVa
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce