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CVE-2020-28368

MEDIUM

4.4

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.14.4

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado11/10/2020

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

debian:debian_linuxfedoraproject:fedoraxen:xen

Fraquezas (CWE)

CWE-862

Referencias

http://www.openwall.com/lists/oss-security/2020/11/26/1(cve@mitre.org)

http://xenbits.xen.org/xsa/advisory-351.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5J66QUUHXH2RR4CNCKQRGVXVSOUFRPDA/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV23EZIMNLJN4YXRRXLQV2ALW6ZEALXV/(cve@mitre.org)

https://platypusattack.com(cve@mitre.org)

https://www.debian.org/security/2020/dsa-4804(cve@mitre.org)

https://www.zdnet.com/article/new-platypus-attack-can-steal-data-from-intel-cpus/(cve@mitre.org)

https://xenbits.xen.org/xsa/advisory-351.html(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2020/11/26/1(af854a3a-2127-422b-91ae-364da2661108)

http://xenbits.xen.org/xsa/advisory-351.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5J66QUUHXH2RR4CNCKQRGVXVSOUFRPDA/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV23EZIMNLJN4YXRRXLQV2ALW6ZEALXV/(af854a3a-2127-422b-91ae-364da2661108)

https://platypusattack.com(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2020/dsa-4804(af854a3a-2127-422b-91ae-364da2661108)

https://www.zdnet.com/article/new-platypus-attack-can-steal-data-from-intel-cpus/(af854a3a-2127-422b-91ae-364da2661108)

https://xenbits.xen.org/xsa/advisory-351.html(af854a3a-2127-422b-91ae-364da2661108)

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