Description
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
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-5080-1 | snapd security update |
EUVD |
EUVD-2021-31545 | 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 |
Ubuntu USN |
USN-5292-1 | snapd vulnerabilities |
Ubuntu USN |
USN-5292-2 | snapd vulnerabilities |
Ubuntu USN |
USN-5292-3 | snapd vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: canonical
Published:
Updated: 2024-08-04T04:32:12.268Z
Reserved: 2021-12-08T00:00:00.000Z
Link: CVE-2021-44730
No data.
Status : Modified
Published: 2022-02-17T23:15:07.413
Modified: 2024-11-21T06:31:28.040
Link: CVE-2021-44730
No data.
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
EUVD
Ubuntu USN