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

Medium Nessus Plugin ID 125104

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 7.7

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: 2019/05/15

Updated: 2020/01/17

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 7.7

CVSS Score Source: CVE-2019-11091

CVSS v2.0

Base Score: 4.7

Temporal Score: 3.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: CVSS:3.0/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: 2019/05/14

Vulnerability Publication Date: 2019/05/30

Reference Information

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