OracleVM 3.4 : xen (OVMSA-2019-0054)

Medium Nessus Plugin ID 131150

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: 7.1

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=a3ec6768f487946b7316364bc9bd17ce4d752af5

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86/vtx ept-shatter ... (Andrew Cooper) [Orabug:
30522238] (CVE-2018-12207)

- x86: rename public functions in p2m-pt.c (Mukesh Rathor) [Orabug: 30522238]

- Rename 'set_p2m_entry' to 'p2m_set_entry' (Mukesh Rathor) [Orabug: 30522238]

- x86/mm: add information about faulted page's presence to npfec structure (Boris Ostrovsky) [Orabug: 30522238]

- relocate struct npfec definition into common (Tamas K Lengyel)

- EPT: utilize GLA->GPA translation known for certain faults (Jan Beulich) [Orabug: 30522238]

- x86/mem_event: deliver gla fault EPT violation information (Tamas K Lengyel) [Orabug: 30522238]

- x86: consolidate boolean inputs in hvm and p2m into a shared bitmap (Tamas K Lengyel) [Orabug: 30522238]

Solution

Update the affected xen / xen-tools packages.

See Also

http://www.nessus.org/u?94d8eba2

Plugin Details

Severity: Medium

ID: 131150

File Name: oraclevm_OVMSA-2019-0054.nasl

Version: 1.2

Type: local

Published: 2019/11/20

Updated: 2019/12/09

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 7.1

CVSS v2.0

Base Score: 4.9

Temporal Score: 3.6

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

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

CVSS v3.0

Base Score: 6.5

Temporal Score: 5.7

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

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: 2019/11/18

Vulnerability Publication Date: 2019/11/14

Reference Information

CVE: CVE-2018-12207