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Red Hat Security Advisory 2018-3522-01

Red Hat Security Advisory 2018-3522-01
Posted Nov 8, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3522-01 - The Simple Protocol for Independent Computing Environments is a remote display protocol for virtual environments. SPICE users can access a virtualized desktop or server from the local system or any system with network access to the server. SPICE is used in Red Hat Enterprise Linux for viewing virtualized guests running on the Kernel-based Virtual Machine hypervisor or on Red Hat Enterprise Virtualization Hypervisors. Issues addressed include a buffer overflow vulnerability.

tags | advisory, remote, overflow, kernel, local, protocol
systems | linux, redhat
advisories | CVE-2017-7506
MD5 | 24eb3ab5c01cfe4fdd69858d462761c2

Red Hat Security Advisory 2018-3522-01

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

Synopsis: Important: spice-server security update
Advisory ID: RHSA-2018:3522-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3522
Issue date: 2018-11-07
CVE Names: CVE-2017-7506
====================================================================
1. Summary:

An update for spice-server is now available for Red Hat Enterprise Linux 6.

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 Desktop (v. 6) - x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation (v. 6) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. Description:

The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display protocol for virtual environments. SPICE users can access a
virtualized desktop or server from the local system or any system with
network access to the server. SPICE is used in Red Hat Enterprise Linux for
viewing virtualized guests running on the Kernel-based Virtual Machine
(KVM) hypervisor or on Red Hat Enterprise Virtualization Hypervisors.

Security Fix(es):

* spice: Possible buffer overflow via invalid monitor configurations
(CVE-2017-7506)

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.

This issue was discovered by Frediano Ziglio (Red Hat).

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

All applications using SPICE (most notably all QEMU-KVM instances using the
SPICE console) must be restarted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1452606 - CVE-2017-7506 spice: Possible buffer overflow via invalid monitor configurations

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
spice-server-0.12.4-16.el6_10.2.src.rpm

x86_64:
spice-server-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

x86_64:
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-devel-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
spice-server-0.12.4-16.el6_10.2.src.rpm

x86_64:
spice-server-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-devel-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
spice-server-0.12.4-16.el6_10.2.src.rpm

x86_64:
spice-server-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

x86_64:
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-devel-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
spice-server-0.12.4-16.el6_10.2.src.rpm

x86_64:
spice-server-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

x86_64:
spice-server-debuginfo-0.12.4-16.el6_10.2.x86_64.rpm
spice-server-devel-0.12.4-16.el6_10.2.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-2017-7506
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 2018 Red Hat, Inc.
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