RHEL 7 : Virtualization Manager (RHSA-2018:1676) (Spectre)

low Nessus Plugin ID 110078
New! Vulnerability Priority Rating (VPR)

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VPR Score: 5.1

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for org.ovirt.engine-root is now available for Red Hat Virtualization Engine 4.2.

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.

The org.ovirt.engine-root is a core component of oVirt.

Security Fix(es) :

* An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639)

Note: This is the org.ovirt.engine-root side of the CVE-2018-3639 mitigation.

Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting this issue.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/vulnerabilities/ssbd

https://access.redhat.com/errata/RHSA-2018:1676

https://access.redhat.com/security/cve/cve-2018-3639

Plugin Details

Severity: Low

ID: 110078

File Name: redhat-RHSA-2018-1676.nasl

Version: 1.15

Type: local

Agent: unix

Published: 5/24/2018

Updated: 4/15/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Low

VPR Score: 5.1

CVSS v2.0

Base Score: 2.1

Temporal Score: 1.6

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:ovirt-engine, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-backend, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-dbscripts, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-extensions-api-impl, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-extensions-api-impl-javadoc, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-health-check-bundler, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-lib, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-restapi, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-setup, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-setup-base, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-setup-plugin-ovirt-engine, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-setup-plugin-ovirt-engine-common, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-setup-plugin-vmconsole-proxy-helper, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-setup-plugin-websocket-proxy, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-tools, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-tools-backup, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-vmconsole-proxy-helper, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-webadmin-portal, p-cpe:/a:redhat:enterprise_linux:ovirt-engine-websocket-proxy, p-cpe:/a:redhat:enterprise_linux:rhvm, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/21/2018

Vulnerability Publication Date: 5/22/2018

Reference Information

CVE: CVE-2018-3639

RHSA: 2018:1676

IAVA: 2018-A-0170