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

medium Nessus Plugin ID 112024

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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: 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: 1.5

Type: local

Published: 8/21/2018

Updated: 8/15/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2018-3646

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: 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: 8/21/2018

Vulnerability Publication Date: 8/14/2018

Reference Information

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