Homepage
About Snyk

Information Exposure Affecting xen package, versions <4.14.0-r2

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Privileges Required High
    Confidentiality High

    Threat Intelligence

    EPSS 0.05% (17th percentile)
Expand this section
NVD
4.4 medium
Expand this section
SUSE
5.6 medium

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-ALPINE314-XEN-1308530
  • published 28 Nov 2020
  • disclosed 10 Nov 2020
Report a new vulnerability Found a mistake?

Introduced: 10 Nov 2020

CVE-2020-28368 Open this link in a new tab
CWE-203 Open this link in a new tab

How to fix?

Upgrade Alpine:3.14 xen to version 4.14.0-r2 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.

Xen through 4.14.x allows guest OS administrators to obtain sensitive information (such as AES keys from outside the guest) via a side-channel attack on a power/energy monitoring interface, aka a "Platypus" attack. NOTE: there is only one logically independent fix: to change the access control for each such interface in Xen.

References