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
Published: 2022-02-17
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-5080-1 snapd security update
EUVD 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 Ubuntu USN USN-5292-1 snapd vulnerabilities
Ubuntu USN Ubuntu USN USN-5292-2 snapd vulnerabilities
Ubuntu USN Ubuntu USN USN-5292-3 snapd vulnerabilities
History

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Subscriptions

Canonical Snapd Ubuntu Linux
Debian Debian Linux
Fedoraproject Fedora
cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2024-08-04T04:32:12.268Z

Reserved: 2021-12-08T00:00:00.000Z

Link: CVE-2021-44730

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-17T23:15:07.413

Modified: 2024-11-21T06:31:28.040

Link: CVE-2021-44730

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses