OracleVM 3.4 : xen (OVMSA-2019-0016) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

medium Nessus Plugin ID 125104
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=3885a020649df84b883ea20d11ca15b7d7640201

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86/HVM: don't give the wrong impression of WRMSR succeeding (root)

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=71714f34026c4e0b105bf2def8d2dc4c7171d5b8

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- Red-tape: Update repo with new CVE for XSA-297 (Patrick Colp) [Orabug: 29725297] (CVE-2019-11091)

- x86/spec-ctl: Expose X86_FEATURE_MD_CLEAR to guests (Patrick Colp) [Orabug: 29677162] (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130)

- x86/spec-ctrl: Introduce options to control VERW flushing (Andrew Cooper) [Orabug: 2977162] (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130) (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130)

- x86/spec-ctrl: Infrastructure to use VERW to flush pipeline buffers (Andrew Cooper) [Orabug: 29677162] (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130) (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130)

- x86/spec-ctrl: CPUID/MSR definitions for Microarchitectural Data Sampling (Andrew Cooper) [Orabug: 29677162] (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130) (CVE-2018-12126) (CVE-2018-12127) (CVE-2018-12130)

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=0d8ecd7732e56484c10e4b584de17d360d940252

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- Config: Update git links to use linux-git.us.oracle.com (Patrick Colp)

- gnttab: set page refcount for copy-on-grant-transfer (Jan Beulich)

Solution

Update the affected xen / xen-tools packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2019-May/000939.html

Plugin Details

Severity: Medium

ID: 125104

File Name: oraclevm_OVMSA-2019-0016.nasl

Version: 1.4

Type: local

Published: 5/15/2019

Updated: 1/17/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-11091

VPR

Risk Factor: High

Score: 8.5

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:xen, p-cpe:/a:oracle:vm:xen-tools, cpe:/o:oracle:vm_server:3.4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2019

Vulnerability Publication Date: 5/30/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091