CVE-2020-28368

Name
CVE-2020-28368
Description
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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Third Party Advisory https://platypusattack.com
Third Party Advisory https://www.zdnet.com/article/new-platypus-attack-can-steal-data-from-intel-cpus/
Patch https://xenbits.xen.org/xsa/advisory-351.html
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XV23EZIMNLJN4YXRRXLQV2ALW6ZEALXV/
Third Party Advisory http://www.openwall.com/lists/oss-security/2020/11/26/1
Vendor Advisory http://xenbits.xen.org/xsa/advisory-351.html
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J66QUUHXH2RR4CNCKQRGVXVSOUFRPDA/
DEBIAN https://www.debian.org/security/2020/dsa-4804

Match rules

CPE URI Source package Min version Max version
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* xen >= None <= 4.14.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
xen 3.10-main 4.12.4-r0 None fixed
xen 3.11-main 4.13.4-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
xen 3.12-main 4.13.4-r3 Natanael Copa <ncopa@alpinelinux.org> fixed