low3.8
CVE-2021-3155
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions.
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Canonical | Snapd | before 2.54.3 |
| Canonical | Ubuntu Linux | Versions 18.04, 20.04, 21.10 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85
- https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca
- https://ubuntu.com/security/notices/USN-5292-1
- https://github.com/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85
- https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca
- https://ubuntu.com/security/notices/USN-5292-1