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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: libvncserver security update
Advisory ID:       RHSA-2018:1055-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1055
Issue date:        2018-04-10
CVE Names:         CVE-2018-7225 
====================================================================
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 Moderate. 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: Improper input sanitization in
rfbProcessClientNormalMessage in rfbserver.c (CVE-2018-7225)

For more details about the security issue(s), including the impact, a CVSS
score, 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/):

1546858 - CVE-2018-7225 libvncserver: Improper input sanitization in rfbProcessClientNormalMessage in rfbserver.c

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
libvncserver-0.9.9-12.el7_5.src.rpm

x86_64:
libvncserver-0.9.9-12.el7_5.i686.rpm
libvncserver-0.9.9-12.el7_5.x86_64.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm
libvncserver-devel-0.9.9-12.el7_5.i686.rpm
libvncserver-devel-0.9.9-12.el7_5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
libvncserver-0.9.9-12.el7_5.src.rpm

ppc64le:
libvncserver-0.9.9-12.el7_5.ppc64le.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.ppc64le.rpm

x86_64:
libvncserver-0.9.9-12.el7_5.i686.rpm
libvncserver-0.9.9-12.el7_5.x86_64.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64le:
libvncserver-debuginfo-0.9.9-12.el7_5.ppc64le.rpm
libvncserver-devel-0.9.9-12.el7_5.ppc64le.rpm

x86_64:
libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm
libvncserver-devel-0.9.9-12.el7_5.i686.rpm
libvncserver-devel-0.9.9-12.el7_5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
libvncserver-0.9.9-12.el7_5.src.rpm

x86_64:
libvncserver-0.9.9-12.el7_5.i686.rpm
libvncserver-0.9.9-12.el7_5.x86_64.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm
libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm
libvncserver-devel-0.9.9-12.el7_5.i686.rpm
libvncserver-devel-0.9.9-12.el7_5.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-2018-7225
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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RedHat: RHSA-2018-1055:01 Moderate: libvncserver security update

An update for libvncserver is now available for Red Hat Enterprise Linux 7

Summary

LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.
Security Fix(es):
* libvncserver: Improper input sanitization in rfbProcessClientNormalMessage in rfbserver.c (CVE-2018-7225)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.



Summary


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

References

https://access.redhat.com/security/cve/CVE-2018-7225 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: libvncserver-0.9.9-12.el7_5.src.rpm
x86_64: libvncserver-0.9.9-12.el7_5.i686.rpm libvncserver-0.9.9-12.el7_5.x86_64.rpm libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm libvncserver-devel-0.9.9-12.el7_5.i686.rpm libvncserver-devel-0.9.9-12.el7_5.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: libvncserver-0.9.9-12.el7_5.src.rpm
ppc64le: libvncserver-0.9.9-12.el7_5.ppc64le.rpm libvncserver-debuginfo-0.9.9-12.el7_5.ppc64le.rpm
x86_64: libvncserver-0.9.9-12.el7_5.i686.rpm libvncserver-0.9.9-12.el7_5.x86_64.rpm libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64le: libvncserver-debuginfo-0.9.9-12.el7_5.ppc64le.rpm libvncserver-devel-0.9.9-12.el7_5.ppc64le.rpm
x86_64: libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm libvncserver-devel-0.9.9-12.el7_5.i686.rpm libvncserver-devel-0.9.9-12.el7_5.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: libvncserver-0.9.9-12.el7_5.src.rpm
x86_64: libvncserver-0.9.9-12.el7_5.i686.rpm libvncserver-0.9.9-12.el7_5.x86_64.rpm libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: libvncserver-debuginfo-0.9.9-12.el7_5.i686.rpm libvncserver-debuginfo-0.9.9-12.el7_5.x86_64.rpm libvncserver-devel-0.9.9-12.el7_5.i686.rpm libvncserver-devel-0.9.9-12.el7_5.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/


Severity
Advisory ID: RHSA-2018:1055-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1055
Issued Date: : 2018-04-10
CVE Names: CVE-2018-7225

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.


Topic


 

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


Bugs Fixed

1546858 - CVE-2018-7225 libvncserver: Improper input sanitization in rfbProcessClientNormalMessage in rfbserver.c


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