CVE-2024-1724 - CVE House
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Status published Medium CVE-2024-1724

snapd allows $HOME/bin symlink

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Neil McPhail

References

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Affected Vendor

Affected Software

snap
Vulnerable Versions:
0

Timeline

Official Publish: July 25th, 2024
Last Modified: August 1st, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-732

MITRE ATT&CK TTPs

T1222 File and Directory Permissions Modification
Defense Evasion
T1574 Hijack Execution Flow
Privilege Escalation
T1005 Data from Local System
Collection
T1078 Valid Accounts
Persistence
T1562 Impair Defenses
Defense Evasion