ALT-PU-2021-2459-2

Package update containerd in branch sisyphus

Version1.4.9-alt1

Published2026-02-04

Max severityMEDIUM

Severity:

Closed issues (3)

MEDIUM5.0

Уязвимость реализации команды chmod среды выполнения контейнеров Containerd, позволяющая нарушителю повысить свои привилегии

Published: 2021-08-25Modified: 2023-02-28

CVSS 3.xMEDIUM 5.0

CVSS:3.x/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

References

CVE-2021-32760

MEDIUM6.3

containerd is a container runtime. A bug was found in containerd versions prior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host’s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in containerd 1.5.4 and 1.4.8. As a workaround, ensure that users only pull images from trusted sources. Linux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with specific files.

Published: 2021-07-19Modified: 2024-11-21

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xMEDIUM 6.3

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References

GHSA-c72p-9xmj-rx3w

MEDIUM5.0

Archive package allows chmod of file outside of unpack target directory

Published: 2021-07-27Modified: 2024-01-31

CVSS 3.xMEDIUM 5.0

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

References