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Red Hat: RHSA-2019-2437-01 Important: Security Update for Virtualization

red hat
Calendar Grey August 12, 2019
Dist Redhat Esm H88
The recent Red Hat Virtualization patch tackles various vulnerabilities, receiving a significant rating. Ensure to implement the newest updates.
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/2974891

Summary

The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
The following packages have been upgraded to a later upstream version: imgbased (1.1.9), ovirt-node-ng (4.3.5), redhat-release-virtualization-host (4.3.5), redhat-virtualization-host (4.3.5). (BZ#1669357, BZ#1669365, BZ#1684986, BZ#1711193, BZ#1717250, BZ#1726917)
Security Fix(es):
* python: regression of CVE-2019-9636 due to functional fix to allow port numbers in netloc (CVE-2019-10160)
* rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled (CVE-2018-16881)
* edk2: stack overflow in XHCI causing denial of service (CVE-2019-0161)
* openssl: 0-byte record padding oracle (CVE-2019-1559)
* cockpit-ovirt: admin and appliance passwords saved in plain text variable file during HE deployment (CVE-2019-10139)
* sssd: improper implementation of GPOs due to too restrictive permissions (CVE-2018-16838)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security update Red Hat buffer overflow important virtualization

References

https://access.redhat.com/security/cve/CVE-2018-16838 https://access.redhat.com/security/cve/CVE-2018-16881 https://access.redhat.com/security/cve/CVE-2019-0161 https://access.redhat.com/security/cve/CVE-2019-1559 https://access.redhat.com/security/cve/CVE-2019-10139 https://access.redhat.com/security/cve/CVE-2019-10160 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source: redhat-virtualization-host-4.3.5-20190722.0.el7_7.src.rpm
noarch: redhat-virtualization-host-image-update-4.3.5-20190722.0.el7_7.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source: imgbased-1.1.9-0.1.el7ev.src.rpm ovirt-node-ng-4.3.5-0.20190717.0.el7ev.src.rpm redhat-release-virtualization-host-4.3.5-2.el7ev.src.rpm
noarch: imgbased-1.1.9-0.1.el7ev.noarch.rpm ovirt-node-ng-nodectl-4.3.5-0.20190717.0.el7ev.noarch.rpm python-imgbased-1.1.9-0.1.el7ev.noarch.rpm python2-ovirt-node-ng-nodectl-4.3.5-0.20190717.0.el7ev.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.3.5-2.el7ev.noarch.rpm
x86_64: redhat-release-virtualization-host-4.3.5-2.el7ev.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
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2437-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2437
Issue date: 2019-08-12

Topic

An update for redhat-virtualization-host is now available for Red HatVirtualization 4 for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security update Red Hat buffer overflow important virtualization

Relevant Releases Architectures

RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64

Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch

Bugs Fixed

1640820 - CVE-2018-16838 sssd: improper implementation of GPOs due to too restrictive permissions

1658366 - CVE-2018-16881 rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled

1683804 - CVE-2019-1559 openssl: 0-byte record padding oracle

1687920 - RHVH fails to reinstall if required size is exceeding the available disk space due to anaconda bug

1694065 - CVE-2019-0161 edk2: stack overflow in XHCI causing denial of service

1702223 - Rebase RHV-H on RHEL 7.7

1709829 - CVE-2019-10139 cockpit-ovirt: admin and appliance passwords saved in plain text variable file during HE deployment

1718388 - CVE-2019-10160 python: regression of CVE-2019-9636 due to functional fix to allow port numbers in netloc

1720156 - RHVH 4.3.4 version info is incorrect in plymouth and "/etc/os-release"

1720160 - RHVH 4.3.4: Incorrect info in /etc/system-release-cpe

1720310 - RHV-H post-installation scripts failing, due to existing tags

1720434 - RHVH 7.7 brand is wrong in Anaconda GUI.

1720435 - Failed to install RHVH 7.7

1720436 - RHVH 7.7 should based on RHEL 7.7 server but not workstation.

1724044 - Failed dependencies occur during install systemtap package.

1726534 - dhclient fails to load libdns-export.so.1102 after upgrade if the user installed library is not persisted on the new layer

1727007 - Update RHVH 7.7 branding with new Red Hat logo

1727859 - Failed to boot after upgrading a host with a custom kernel

Read the Full Advisory

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