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AUSCERT External Security Bulletin Redistribution
ESB-2017.2030
Important: spice security update
15 August 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: spice
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Access Confidential Data -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-7506
Reference: ESB-2017.1778
ESB-2017.1726
ESB-2017.1725
Original Bulletin:
https://access.redhat.com/errata/RHSA-2017:2471
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Red Hat Security Advisory
Synopsis: Important: spice security update
Advisory ID: RHSA-2017:2471-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2471
Issue date: 2017-08-15
CVE Names: CVE-2017-7506
=====================================================================
1. Summary:
An update for spice 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 ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display system built for virtual environments which allows the user
to view a computing 'desktop' environment not only on the machine where it
is running, but from anywhere on the Internet and from a wide variety of
machine architectures.
Security Fix(es):
* A vulnerability was discovered in spice server's protocol handling. An
authenticated attacker could send specially crafted messages to the spice
server, causing out-of-bounds memory accesses, leading to parts of server
memory being leaked or a crash. (CVE-2017-7506)
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 Client (v. 7):
Source:
spice-0.12.8-2.el7.1.src.rpm
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-0.12.8-2.el7.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-devel-0.12.8-2.el7.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source:
spice-0.12.8-2.el7.1.src.rpm
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-0.12.8-2.el7.1.x86_64.rpm
spice-server-devel-0.12.8-2.el7.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
spice-0.12.8-2.el7.1.src.rpm
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-0.12.8-2.el7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-devel-0.12.8-2.el7.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
spice-0.12.8-2.el7.1.src.rpm
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-0.12.8-2.el7.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
spice-debuginfo-0.12.8-2.el7.1.x86_64.rpm
spice-server-devel-0.12.8-2.el7.1.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-2017-7506
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 2017 Red Hat, Inc.
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