CentOS 7 : ovmf (CESA-2019:2125)

critical Nessus Plugin ID 128356

Synopsis

The remote CentOS host is missing a security update.

Description

An update for ovmf is now available for Red Hat Enterprise Linux 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.

OVMF (Open Virtual Machine Firmware) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

Security Fix(es) :

* edk2: Privilege escalation via processing of malformed files in TianoCompress.c (CVE-2017-5731)

* edk2: Privilege escalation via processing of malformed files in BaseUefiDecompressLib.c (CVE-2017-5732)

* edk2: Privilege escalation via heap-based buffer overflow in MakeTable() function (CVE-2017-5733)

* edk2: Privilege escalation via stack-based buffer overflow in MakeTable() function (CVE-2017-5734)

* edk2: Privilege escalation via heap-based buffer overflow in Decode() function (CVE-2017-5735)

* edk2: Logic error in MdeModulePkg in EDK II firmware allows for privilege escalation by authenticated users (CVE-2018-3613)

* openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash) (CVE-2018-5407)

* edk2: Stack buffer overflow with corrupted BMP (CVE-2018-12181)

* edk2: buffer overflows in PartitionDxe and UdfDxe with long file names and invalid UDF media (CVE-2019-0160)

* edk2: stack overflow in XHCI causing denial of service (CVE-2019-0161)

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.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Solution

Update the affected ovmf package.

See Also

http://www.nessus.org/u?ecd7d721

Plugin Details

Severity: Critical

ID: 128356

File Name: centos_RHSA-2019-2125.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/30/2019

Updated: 12/31/2019

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-0160

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:ovmf

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/29/2019

Vulnerability Publication Date: 11/15/2018

Reference Information

CVE: CVE-2017-5731, CVE-2017-5732, CVE-2017-5733, CVE-2017-5734, CVE-2017-5735, CVE-2018-12181, CVE-2018-3613, CVE-2018-5407, CVE-2019-0160, CVE-2019-0161

RHSA: 2019:2125