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CVE-2024-1724

snapd allows $HOME/bin symlink

Published: Jul 25, 2024Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-732
6.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 77.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-732

Affected Products

Canonical
commercial·GBaka canonical ltd.
snapdOn-prem
Operating Systems / linux-distro
snapOn-prem
Operating Systems / linux-distro
Go
package-ecosystem
github.com/snapcore/snapd
OSS Libraries

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/snapcore/snapd/commit/aa191f97713de8dc3ce3ac818539f0b976eb8ef6
github.com
https://github.com/snapcore/snapd/pull/13689
github.com
https://gld.mcphail.uk/posts/explaining-cve-2024-1724/
gld.mcphail.uk
and 4 more references View all →

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