CVE-2021-3155

snapd created ~/snap with too-wide permissions

Published Feb 17, 2022 CVSS 3.1 · 3.8 Low EPSS < 1% KEV · Not listed
Description
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-26499 snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. 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

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Aug 3, 2024, 4:45 PM
Reserved
Jan 15, 2021, 12:00 AM
Status
Modified
Published
Feb 17, 2022, 11:15 PM
Modified
Jun 17, 2026, 4:04 AM