vulnerability
Alpine Linux: CVE-2021-21284: Path Traversal
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:L/Au:S/C:N/I:P/A:N) | 2021-02-02 | 2024-08-22 | 2024-10-02 |
Severity
3
CVSS
(AV:A/AC:L/Au:S/C:N/I:P/A:N)
Published
2021-02-02
Added
2024-08-22
Modified
2024-10-02
Description
In Docker before versions 9.03.15, 20.10.3 there is a vulnerability involving the --userns-remap option in which access to remapped root allows privilege escalation to real root. When using "--userns-remap", if the root user in the remapped namespace has access to the host filesystem they can modify files under "/var/lib/docker/" that cause writing files with extended privileges. Versions 20.10.3 and 19.03.15 contain patches that prevent privilege escalation from remapped user.
Solution
alpine-linux-upgrade-docker
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