snapd 2.54.2 did not properly validate the location of...
High severity
Unreviewed
Published
Feb 19, 2022
to the GitHub Advisory Database
•
Updated Feb 3, 2023
Description
Published by the National Vulnerability Database
Feb 17, 2022
Published to the GitHub Advisory Database
Feb 19, 2022
Last updated
Feb 3, 2023
snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
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