Описание
Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where attempting to copy files using docker cp into a specially-crafted container can result in Unix file permission changes for existing files in the host’s filesystem, widening access to others. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers do not need to be restarted.
A file permissions vulnerability was found in Moby (Docker Engine). Copying files by using docker cp into a specially-crafted container can result in Unix file permission changes for existing files in the host's filesystem, which might lead to permissions escalation and allow an attacker access to restricted data.
Отчет
In OpenShift Container Platform (OCP), Migration Toolkit for Virtualization (MTV) and Red Hat Quay some components bundle github.com/moby/moby, but successful exploitation requires using a specially crafted container, therefore impact to these components is LOW.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/agent-service-rhel8 | Not affected | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/assisted-installer-agent-rhel8 | Not affected | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/assisted-installer-reporter-rhel8 | Not affected | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/assisted-installer-rhel8 | Not affected | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/multicluster-operators-subscription-release-rhel8 | Not affected | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/multicluster-operators-subscription-rhel8 | Fix deferred | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm2/search-rhel8 | Not affected | ||
| Red Hat Advanced Cluster Management for Kubernetes 2 | rhacm-assisted-service-container | Affected | ||
| Red Hat Enterprise Linux 7 | docker | Out of support scope | ||
| Red Hat OpenShift Container Platform 4 | openshift-compliance-openscap-container | Fix deferred |
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Дополнительная информация
Статус:
EPSS
5.3 Medium
CVSS3
Связанные уязвимости
Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where attempting to copy files using `docker cp` into a specially-crafted container can result in Unix file permission changes for existing files in the host’s filesystem, widening access to others. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers do not need to be restarted.
Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where attempting to copy files using `docker cp` into a specially-crafted container can result in Unix file permission changes for existing files in the host’s filesystem, widening access to others. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers do not need to be restarted.
Moby is an open-source project created by Docker to enable software co ...
`docker cp` allows unexpected chmod of host files in Moby Docker Engine
Уязвимость функционала копирования средства автоматизации развёртывания и управления приложениями в средах с поддержкой контейнеризации Docker, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
EPSS
5.3 Medium
CVSS3