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Red Hat Security Advisory
Synopsis: Moderate: virt-who security, bug fix, and enhancement update
Advisory ID: RHSA-2015:0430-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0430.html
Issue date: 2015-03-05
CVE Names: CVE-2014-0189
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1. Summary:
An updated virt-who package that fixes one security issue, several bugs,
and adds various enhancements is now available for Red Hat Enterprise
Linux 7.
Red Hat Product Security has rated this update as having Moderate security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) – noarch
Red Hat Enterprise Linux Server (v. 7) – noarch
Red Hat Enterprise Linux Workstation (v. 7) – noarch
3. Description:
The virt-who package provides an agent that collects information about
virtual guests present in the system and reports them to the
subscription manager.
It was discovered that the /etc/sysconfig/virt-who configuration file,
which may contain hypervisor authentication credentials, was
world-readable. A local user could use this flaw to obtain authentication
credentials from this file. (CVE-2014-0189)
Red Hat would like to thank Sal Castiglione for reporting this issue.
The virt-who package has been upgraded to upstream version 0.11, which
provides a number of bug fixes and enhancements over the previous version.
The most notable bug fixes and enhancements include:
* Support for remote libvirt.
* A fix for using encrypted passwords.
* Bug fixes and enhancements that increase the stability of virt-who.
(BZ#1122489)
This update also fixes the following bugs:
* Prior to this update, the virt-who agent failed to read the list of
virtual guests provided by the VDSM daemon. As a consequence, when in VDSM
mode, the virt-who agent was not able to send updates about virtual guests
to Subscription Asset Manager (SAM) and Red Hat Satellite. With this
update, the agent reads the list of guests when in VDSM mode correctly and
reports to SAM and Satellite as expected. (BZ#1153405)
* Previously, virt-who used incorrect information when connecting to Red
Hat Satellite 5. Consequently, virt-who could not connect to Red Hat
Satellite 5 servers. The incorrect parameter has been corrected, and
virt-who can now successfully connect to Red Hat Satellite 5. (BZ#1158859)
* Prior to this update, virt-who did not decode the hexadecimal
representation of a password before decrypting it. As a consequence, the
decrypted password did not match the original password, and attempts to
connect using the password failed. virt-who has been updated to decode the
encrypted password and, as a result, virt-who now handles storing
credentials using encrypted passwords as expected. (BZ#1161607)
In addition, this update adds the following enhancement:
* With this update, virt-who is able to read the list of guests from a
remote libvirt hypervisor. (BZ#1127965)
Users of virt-who are advised to upgrade to this updated package, which
corrects these issues and adds these enhancements.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1065421 – Remove dependency on ‘libvirt’ RPM
1076290 – virt-who creat a null system in SAM server in esx mode
1082981 – Faild to add Hyper-V 2012 to SAM as virt-who communication with Hyper-V failed
1086517 – virt-who failed when testing against Satellite 5.6 due to missing folder /var/lib/virt-who in RHEL 7
1088732 – CVE-2014-0189 virt-who: plaintext hypervisor passwords in world-readable /etc/sysconfig/virt-who configuration file
1098448 – virt-who dies when the system is being unregistered
1122489 – virt-who rebase
1127965 – [RFE] Please add libvirt parameter for using Red Hat Enterprise Linux for Virtual Datacenter in kvm environments.
1153405 – virt-who can’t work in the VDSM mode
1158759 – Wrong permission for configuration file /etc/sysconfig/virt-who on rhel7.1
1158803 – Can’t display the running mode in the virt-who log
1158859 – virt-who uses wrong server when connecting to satellite
1159187 – “/etc/virt-who.d” hasn’t been created by default.
1161434 – Take over one minute to stop/restart virt-who service in ESX mode.
1161607 – virt-who not able to decrypt encrypted password
1162049 – syslog.target depenancy
1163021 – Failed to send host/guest associate to SAM when virt-who run at esx mode
1168111 – [VDSM mode]Failed to send host/guest associate to SAM when there is a vm in the host
1168122 – virt-who incorrectly says that VM is from ‘None’ hypervisor
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
virt-who-0.11-5.el7.src.rpm
noarch:
virt-who-0.11-5.el7.noarch.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
virt-who-0.11-5.el7.src.rpm
noarch:
virt-who-0.11-5.el7.noarch.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
virt-who-0.11-5.el7.src.rpm
noarch:
virt-who-0.11-5.el7.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-2014-0189
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 2015 Red Hat, Inc.
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