OracleVM 3.4 : xen (OVMSA-2018-0251) (Foreshadow)

Medium Nessus Plugin ID 112024

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: xen commit=18ec2b68e519646188fd26a05b2cd26ebd829035

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- Revert 'xend: fix memory leak of XendConfig.XendConfig object' (Konrad Rzeszutek Wilk) [Orabug: 28506675]

- BUILDINFO: xen commit=7023729bcb7dd5c156bc8ee31a7971f036e43f66

- 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: 28487029] (CVE-2018-3646)

- x86/spec-ctrl: Introduce an option to control L1D_FLUSH for HVM guests (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3620) (CVE-2018-3646)

- x86/msr: Virtualise MSR_FLUSH_CMD for guests (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3646) (CVE-2018-3646)

- x86/spec-ctrl: CPUID/MSR definitions for L1D_FLUSH (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3646) (CVE-2018-3646)

- x86/spec-ctrl: Calculate safe PTE addresses for L1TF mitigations (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3620) (CVE-2018-3646)

- x86: command line option to avoid use of secondary hyper-threads (Jan Beulich) [Orabug: 28487029] (CVE-2018-3646)

- cpupools: fix state when downing a CPU failed (Jan Beulich) [Orabug: 28487029] (CVE-2018-3646)

- BUILDINFO: xen commit=63c397f89da7c720208e599696ada989121f3698

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- xend: fix memory leak of XendConfig.XendConfig object (Manjunath Patil) [Orabug: 28223470]

Solution

Update the affected xen / xen-tools packages.

See Also

http://www.nessus.org/u?bdcf73b7

Plugin Details

Severity: Medium

ID: 112024

File Name: oraclevm_OVMSA-2018-0251.nasl

Version: 1.2

Type: local

Published: 2018/08/21

Modified: 2018/09/05

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 4.7

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

CVSSv3

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: 2018/08/21

Reference Information

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