RHEL 7 : ovmf (RHSA-2019:2125)

critical Nessus Plugin ID 127676

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:2125 advisory.

- 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)

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

Solution

Update the RHEL ovmf package based on the guidance in RHSA-2019:2125.

See Also

http://www.nessus.org/u?9f152ad8

http://www.nessus.org/u?cc7115e8

https://access.redhat.com/errata/RHSA-2019:2125

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1641433

https://bugzilla.redhat.com/show_bug.cgi?id=1641442

https://bugzilla.redhat.com/show_bug.cgi?id=1641446

https://bugzilla.redhat.com/show_bug.cgi?id=1641450

https://bugzilla.redhat.com/show_bug.cgi?id=1641458

https://bugzilla.redhat.com/show_bug.cgi?id=1641465

https://bugzilla.redhat.com/show_bug.cgi?id=1645695

https://bugzilla.redhat.com/show_bug.cgi?id=1686783

https://bugzilla.redhat.com/show_bug.cgi?id=1691640

https://bugzilla.redhat.com/show_bug.cgi?id=1694065

Plugin Details

Severity: Critical

ID: 127676

File Name: redhat-RHSA-2019-2125.nasl

Version: 1.6

Type: local

Agent: unix

Published: 8/12/2019

Updated: 4/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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: p-cpe:/a:redhat:enterprise_linux:ovmf, 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: 8/6/2019

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

CWE: 121, 200, 287, 400

RHSA: 2019:2125