CVE-2021-3155

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

Score

CVSS 3.1 5.5 Medium

Status

Modified - security@ubuntu.com

Published

2022-02-17

Last modified

2024-08-03

Weaknesses

CWE-276

Affected products

• Snapd (Canonical)
• Ubuntu Linux (Canonical)
• Snapd (Canonical Ltd.)

References

• https://github.com/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85
• https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca
• https://ubuntu.com/security/notices/USN-5292-1