PT-2019-5142 · Xen+1 · Xen+1

Manuel Bouyer · Publicado 2019-10-07 · Atualizado 2022-03-31 · CVE-2019-17344

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Média

Vetor base

AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.12

Description The issue allows x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates. It is related to an insufficient input validation mechanism in the Xen hypervisor, which can be exploited by an attacker to cause a denial of service.

Recommendations For Xen versions prior to 4.12, update to version 4.12 or later to resolve the issue.

Correção

DoS

RCE

Enumeração de Fraquezas

CWE-20

CWE-662

Identificadores relacionados

BDU:2020-01809

CVE-2019-17344

DSA-4602-1

SUSE-RU-2019:2767-1

SUSE-SU-2019:14199-1

SUSE-SU-2019:14201-1

SUSE-SU-2019:2753-1

SUSE-SU-2019:2769-1

SUSE-SU-2019:2783-1

SUSE-SU-2019_14199-1

SUSE-SU-2020:0388-1

Produtos afetados

Suse

Xen

Referências · 108

• https://suse.com/security/cve/CVE-2019-17340 · Nota
• https://bugzilla.suse.com/1158006 · Nota
• https://bugzilla.suse.com/1027519 · Nota
• https://suse.com/security/cve/CVE-2019-17345 · Nota
• https://bugzilla.suse.com/1115045 · Nota
• https://bugzilla.suse.com/1127400 · Nota
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-17344 · Aviso do Fabricante
• http://openwall.com/lists/oss-security/2019/10/25/3 · Nota
• https://osv.dev/vulnerability/SUSE-RU-2019:2767-1 · Aviso do Fabricante
• https://bugzilla.suse.com/1126198 · Nota
• https://suse.com/support/update/announcement/2019/suse-su-201914201-1 · Nota
• https://bugzilla.suse.com/1145652 · Nota
• https://bugzilla.suse.com/1154458 · Nota
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20200327SE16 · Aviso do Fabricante
• https://suse.com/support/update/announcement/2020/suse-su-20200388-1 · Nota