CVE-2024-1724

Name	CVE-2024-1724
Description	In snapd versions prior to 2.62, when using AppArmor for enforcement of sandbox permissions, snapd failed to restrict writes to the $HOME/bin path. In Ubuntu, when this path exists, it is automatically added to the users PATH. An attacker who could convince a user to install a malicious snap which used the 'home' plug could use this vulnerability to install arbitrary scripts into the users PATH which may then be run by the user outside of the expected snap sandbox and hence allow them to escape confinement.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
snapd (PTS)	stretch (security)	2.21-2+deb9u1	vulnerable
	stretch (lts), stretch	2.21-2+deb9u3	vulnerable
	buster (security), buster, buster (lts)	2.37.4-1+deb10u3	vulnerable
	bullseye (security), bullseye	2.49-1+deb11u2	vulnerable
	bookworm	2.57.6-1	vulnerable
	trixie	2.65.3-1	fixed
	sid	2.66.1-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
snapd	source	stretch	(unfixed)	end-of-life
snapd	source	(unstable)	2.62-1

Notes

[bookworm] - snapd <no-dsa> (Minor issue)
[bullseye] - snapd <no-dsa> (Minor issue)
https://github.com/snapcore/snapd/commit/aa191f97713de8dc3ce3ac818539f0b976eb8ef6 (2.62)
https://github.com/snapcore/snapd/pull/13689
https://gld.mcphail.uk/posts/explaining-cve-2024-1724/
[buster] - snapd <postponed> (Minor issue)