<p>Upgrade <code>Alpine:3.14</code> <code>xen</code> to version 4.7.1-r1 or higher.</p>

Improper Input Validation Affecting xen package, versions <4.7.1-r1

Snyk CVSS

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality High

Integrity High

Threat Intelligence

EPSS 0.06% (25^th percentile)

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Snyk ID SNYK-ALPINE314-XEN-1308602
published 21 Jul 2020
disclosed 23 Jan 2017

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Introduced: 23 Jan 2017

CVE-2016-9379 Open this link in a new tab CWE-20 Open this link in a new tab

How to fix?

Upgrade Alpine:3.14 xen to version 4.7.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Alpine. See How to fix? for Alpine:3.14 relevant fixed versions and status.

The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.