The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1524 advisory.

    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.

    Includes GlusterFS fixes for CVE-2018-1088, dhcp fixes for CVE-2018-1111, kernel fixes for CVE-2018-1087,     and kernel fixes for CVE-2018-8897.

    A list of bugs fixed in this update is available in the Technical Notes book:
    https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/html/technical_notes/

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2018:1525 advisory.

    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: rhvm-appliance (4.2). (BZ#1558801,     BZ#1563545)

    Security Fix(es):

    * python-paramiko: Authentication bypass in transport.py (CVE-2018-7750)

    * slf4j: Deserialisation vulnerability in EventData constructor can allow for arbitrary code execution     (CVE-2018-8088)

    * undertow: Client can use bogus uri in Digest authentication (CVE-2017-12196)

    * jackson-databind: unsafe deserialization due to incomplete blacklist (incomplete fix for CVE-2017-7525     and CVE-2017-17485) (CVE-2018-5968)

    * ovirt-engine: account enumeration through login to web console (CVE-2018-1073)

    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.

    Red Hat would like to thank Chris McCown for reporting CVE-2018-8088. The CVE-2017-12196 issue was     discovered by Jan Stourac (Red Hat).

    Enhancement(s):

    * Previously, the default memory allotment for the RHV-M Virtual Appliance was always large enough to     include support for user additions.

    In this release, the RHV-M Virtual Appliance includes a swap partition that enables the memory to be     increased when required. (BZ#1422982)

    * Previously, the partitioning scheme for the RHV-M Virtual Appliance included two primary partitions, /     and swap.

    In this release, the disk partitioning scheme has been modified to match the scheme specified by NIST. The     updated disk partitions are as follows:

    /boot 1G (primary)     /home 1G (lvm)     /tmp 2G (lvm)     /var 20G (lvm)     /var/log 10G (lvm)     /var/log/audit 1G (lvm)     swap 8G (lvm)     / 6G (primary) (BZ#1463853)

    * Previously, the version tag was used as part of the RPM's naming scheme, for example, 4.1.timestamp,     which created differences between the upstream and downstream versioning schemes. In this release, the     downstream versioning scheme is aligned with the upstream scheme and the timestamp has moved from the     version tag to the release tag. (BZ#1464486)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the dhcp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A command injection flaw was found in the     NetworkManager integration script included in the DHCP     client packages in Red Hat Enterprise Linux. A     malicious DHCP server, or an attacker on the local     network able to spoof DHCP responses, could use this     flaw to execute arbitrary commands with root privileges     on systems using NetworkManager and configured to     obtain network configuration using the DHCP     protocol.(CVE-2018-1111)

  - ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x     before 4.3.3-P1 allows remote attackers to cause a     denial of service (application crash) via an invalid     length field in a UDP IPv4 packet.(CVE-2015-8605)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the dhcp packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - It was found that the DHCP daemon did not properly     clean up closed OMAPI connections in certain cases. A     remote attacker able to connect to the OMAPI port could     use this flaw to exhaust file descriptors in the DHCP     daemon, leading to a denial of service in the OMAPI     functionality.(CVE-2017-3144)

  - DHCP packages in Red Hat Enterprise Linux 6 and 7,     Fedora 28, and earlier are vulnerable to a command     injection flaw in the NetworkManager integration script     included in the DHCP client. A malicious DHCP server,     or an attacker on the local network able to spoof DHCP     responses, could use this flaw to execute arbitrary     commands with root privileges on systems using     NetworkManager and configured to obtain network     configuration using the DHCP protocol.(CVE-2018-1111)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

fix for CVE-2018-1111

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1459 advisory.

    The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP     network to get their own network configuration information, including an IP address, a subnet mask, and a     broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and     administer DHCP on a network.

    Security Fix(es):

    * A command injection flaw was found in the NetworkManager integration script included in the DHCP client     packages in Red Hat Enterprise Linux. A malicious DHCP server, or an attacker on the local network able to     spoof DHCP responses, could use this flaw to execute arbitrary commands with root privileges on systems     using NetworkManager and configured to obtain network configuration using the DHCP protocol.
    (CVE-2018-1111)

    Red Hat would like to thank Felix Wilhelm (Google Security Team) for reporting this issue.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1460 advisory.

    The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP     network to get their own network configuration information, including an IP address, a subnet mask, and a     broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and     administer DHCP on a network.

    Security Fix(es):

    * A command injection flaw was found in the NetworkManager integration script included in the DHCP client     packages in Red Hat Enterprise Linux. A malicious DHCP server, or an attacker on the local network able to     spoof DHCP responses, could use this flaw to execute arbitrary commands with root privileges on systems     using NetworkManager and configured to obtain network configuration using the DHCP protocol.
    (CVE-2018-1111)

    Red Hat would like to thank Felix Wilhelm (Google Security Team) for reporting this issue.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
109909	RHEL 7 : redhat-virtualization-host update (Important) (RHSA-2018:1524)	Nessus	Red Hat Local Security Checks	5/18/2018	3/21/2025	high
109910	RHEL 7 : rhvm-appliance (RHSA-2018:1525)	Nessus	Red Hat Local Security Checks	5/18/2018	3/20/2025	critical
110126	EulerOS 2.0 SP1 : dhcp (EulerOS-SA-2018-1122)	Nessus	Huawei Local Security Checks	5/29/2018	4/1/2025	high
124882	EulerOS Virtualization for ARM 64 3.0.1.0 : dhcp (EulerOS-SA-2019-1379)	Nessus	Huawei Local Security Checks	5/14/2019	3/20/2025	high
109820	Fedora 27 : 12:dhcp (2018-36058ed9f2)	Nessus	Fedora Local Security Checks	5/16/2018	4/1/2025	high
109845	RHEL 6 : dhcp (RHSA-2018:1459)	Nessus	Red Hat Local Security Checks	5/16/2018	4/1/2025	high
109846	RHEL 6 : dhcp (RHSA-2018:1460)	Nessus	Red Hat Local Security Checks	5/16/2018	4/1/2025	high
110127	EulerOS 2.0 SP2 : dhcp (EulerOS-SA-2018-1123)	Nessus	Huawei Local Security Checks	5/29/2018	4/1/2025	high

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