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Red Hat Security Advisory 2017-0552-01

Red Hat Security Advisory 2017-0552-01
Posted Mar 17, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0552-01 - The RHV-M Virtual Appliance automates the process of installing and configuring the Red Hat Virtualization Manager. The appliance is available to download as an OVA file from the Customer Portal. The following packages have been upgraded to a later upstream version: rhevm-appliance. Security Fix: A vulnerability was discovered in SPICE in the server's protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution.

tags | advisory, overflow, code execution, protocol
systems | linux, redhat
advisories | CVE-2016-9577, CVE-2016-9578
MD5 | ad82727f2b2f97eabba52e45a8a99396

Red Hat Security Advisory 2017-0552-01

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

Synopsis: Moderate: rhevm-appliance security and bug fix update
Advisory ID: RHSA-2017:0552-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2017:0552
Issue date: 2017-02-09
Updated on: 2017-03-16
Cross references: RHSA-2017:0294-1
CVE Names: CVE-2016-9577 CVE-2016-9578
=====================================================================

1. Summary:

An update for rhevm-appliance is now available for RHEV 4.X RHEV-H and
Agents for RHEL-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:

Managment Agent for RHEL 7 Hosts - noarch

3. Description:

The RHV-M Virtual Appliance automates the process of installing and
configuring the Red Hat Virtualization Manager. The appliance is available
to download as an OVA file from the Customer Portal.

The following packages have been upgraded to a later upstream version:
rhevm-appliance (20170307.0). (BZ#1419968)

Security Fix(es):

* A vulnerability was discovered in SPICE in the server's protocol
handling. An authenticated attacker could send crafted messages to the
SPICE server causing a heap overflow leading to a crash or possible code
execution. (CVE-2016-9577)

* A vulnerability was discovered in SPICE in the server's protocol
handling. An attacker able to connect to the SPICE server could send
crafted messages which would cause the process to crash. (CVE-2016-9578)

These issues were discovered by Frediano Ziglio (Red Hat).

Bug Fix(es):

* Previously the name of the "rhevm-appliance" RPM contained only a
timestamp, without versioning information. In this release, the Red Hat
Virtualization release will now be included in the name of the
"rhevm-appliance" RPM and will be visible from the node channel.
(BZ#1416011)

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/):

1399566 - CVE-2016-9578 spice: Remote DoS via crafted message
1401603 - CVE-2016-9577 spice: Buffer overflow in main_channel_alloc_msg_rcv_buf when reading large messages
1416011 - RHEL based 3.6 HE to 4.0 upgrade with wrong appliance
1419968 - Tracker: rhevm-appliance 4.0.7

6. Package List:

Managment Agent for RHEL 7 Hosts:

Source:
rhevm-appliance-4.0.20170307.0-1.el7ev.src.rpm

noarch:
rhevm-appliance-4.0.20170307.0-1.el7ev.noarch.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-2016-9577
https://access.redhat.com/security/cve/CVE-2016-9578
https://access.redhat.com/security/updates/classification/#moderate

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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