snapd: snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions
CVE-2021-3155 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.54.3+18.04, released February 17, 2022. It is not reported as exploited. Patch Radar priority: Routine.
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
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| golang-github-snapcore-snapd-dev · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | golang-github-snapcore-snapd-dev 2.54.3+18.04 | Feb 17, 2022 |
| golang-github-snapcore-snapd-dev · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | golang-github-snapcore-snapd-dev 2.54.3+20.04.1 | Feb 17, 2022 |
| golang-github-ubuntu-core-snappy-dev · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | golang-github-ubuntu-core-snappy-dev 2.54.3+18.04 | Feb 17, 2022 |
| golang-github-ubuntu-core-snappy-dev · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | golang-github-ubuntu-core-snappy-dev 2.54.3+20.04.1 | Feb 17, 2022 |
| snap-confine · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | snap-confine 2.54.3+18.04 | Feb 17, 2022 |
| snap-confine · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | snap-confine 2.54.3+20.04.1 | Feb 17, 2022 |
| snapd · Debian 12.15 (bookworm) | 2.54-1 | DEBIAN-CVE-2021-3155 | Feb 17, 2022 |
| snapd · Debian 13.5 (trixie) | 2.54-1 | DEBIAN-CVE-2021-3155 | Feb 17, 2022 |
| snapd · Debian 14 | 2.54-1 | DEBIAN-CVE-2021-3155 | Feb 17, 2022 |
| snapd · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | snapd 2.54.3+18.04 | Feb 17, 2022 |
| snapd · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | snapd 2.54.3+20.04.1 | Feb 17, 2022 |
| snapd-xdg-open · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | snapd-xdg-open 2.54.3+18.04 | Feb 17, 2022 |
| snapd-xdg-open · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | snapd-xdg-open 2.54.3+20.04.1 | Feb 17, 2022 |
| ubuntu-core-launcher · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | ubuntu-core-launcher 2.54.3+18.04 | Feb 17, 2022 |
| ubuntu-core-launcher · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | ubuntu-core-launcher 2.54.3+20.04.1 | Feb 17, 2022 |
| ubuntu-core-snapd-units · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | ubuntu-core-snapd-units 2.54.3+18.04 | Feb 17, 2022 |
| ubuntu-core-snapd-units · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | ubuntu-core-snapd-units 2.54.3+20.04.1 | Feb 17, 2022 |
| ubuntu-snappy · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | ubuntu-snappy 2.54.3+18.04 | Feb 17, 2022 |
| ubuntu-snappy · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | ubuntu-snappy 2.54.3+20.04.1 | Feb 17, 2022 |
| ubuntu-snappy-cli · Ubuntu 18.04.6 LTS (bionic) | 2.54.3+18.04 | ubuntu-snappy-cli 2.54.3+18.04 | Feb 17, 2022 |
| ubuntu-snappy-cli · Ubuntu 20.04 LTS (focal) | 2.54.3+20.04.1 | ubuntu-snappy-cli 2.54.3+20.04.1 | Feb 17, 2022 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.