OracleVM 3.4 : xen (OVMSA-2018-0246) (Foreshadow)

medium Nessus Plugin ID 111772
New! Plugin Severity Now Using CVSS v3

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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=02cec92b3eb1612e37616b10400d82f1e3d8de85

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- l1tf: Utility to offline/online SMT siblings. (Ross Philipson) [Orabug: 28487050] (CVE-2018-3646)

- x86/spec-ctrl: Introduce an option to control L1D_FLUSH for HVM guests (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3620) (CVE-2018-3646)

- x86/msr: Virtualise MSR_FLUSH_CMD for guests (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3646) (CVE-2018-3646)

- x86/spec-ctrl: CPUID/MSR definitions for L1D_FLUSH (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3646) (CVE-2018-3646)

- x86/spec-ctrl: Calculate safe PTE addresses for L1TF mitigations (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3620) (CVE-2018-3646)

- x86: command line option to avoid use of secondary hyper-threads (Jan Beulich) [Orabug: 28487050] (CVE-2018-3646)

- cpupools: fix state when downing a CPU failed (Jan Beulich) [Orabug: 28487050] (CVE-2018-3646)

Solution

Update the affected xen / xen-tools packages.

See Also

http://www.nessus.org/u?d3f57f0d

Plugin Details

Severity: Medium

ID: 111772

File Name: oraclevm_OVMSA-2018-0246.nasl

Version: 1.5

Type: local

Published: 8/16/2018

Updated: 9/27/2019

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.7

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

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

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

Patch Publication Date: 8/15/2018

Vulnerability Publication Date: 8/14/2018

Reference Information

CVE: CVE-2018-3620, CVE-2018-3646