CVE-2024-1724
Last modified
CVE-2024-1724 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Snapd | < 2.62 |
References
- https://github.com/snapcore/snapd/pull/13689Issue Tracking, Patch
- https://gld.mcphail.uk/posts/explaining-cve-2024-1724/Exploit, Technical Description, Third Party Advisory
- https://github.com/snapcore/snapd/pull/13689Issue Tracking, Patch
- https://gld.mcphail.uk/posts/explaining-cve-2024-1724/Exploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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