Privilege Escalation Affecting github.com/moby/moby Open this link in a new tab package, versions <19.3.15 >=20.10.0-beta1 <20.10.3
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.Test your applications
4 Feb 2021
3 Feb 2021
Alex Chapman, Alex Price, Nathan Burrell, Raúl Gomis, Chris Walz, Mark Adams, David Black, Brian Goff
How to fix?
github.com/moby/moby to version 19.3.15, 20.10.3 or higher.
Affected versions of this package are vulnerable to Privilege Escalation. There is a vulnerability in Docker 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/<remapping> that cause writing files with extended privileges.