Xen Project PCI Pass-through DMA Privilege Escalation (XSA-288)

high Nessus Plugin ID 122872

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Synopsis

The remote Xen hypervisor installation is missing a security update.

Description

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a privilege escalation vulnerability. Only x86 systems are affected.

Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or if patches were applied manually to the source code before a recompile and reinstall.

Solution

Apply the appropriate patch according to the vendor advisory.

Plugin Details

Severity: High

ID: 122872

File Name: xen_server_XSA-288.nasl

Version: 1.2

Type: local

Family: Misc.

Published: 3/15/2019

Updated: 5/24/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

CVSS Score Rationale: Score based on analysis of the vendor advisory.

CVSS v2

Risk Factor: Medium

Base Score: 6.9

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

CVSS Score Source: manual

CVSS v3

Risk Factor: High

Base Score: 8.4

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

Vulnerability Information

CPE: cpe:/o:xen:xen

Required KB Items: Settings/ParanoidReport, installed_sw/Xen Hypervisor

Patch Publication Date: 3/5/2019

Vulnerability Publication Date: 3/5/2019

Detections

Analytics