CVE-2018-13054
Published: 2 July 2018
An issue was discovered in Cinnamon 1.9.2 through 3.8.6. The cinnamon-settings-users.py GUI runs as root and allows configuration of (for example) other users' icon files in _on_face_browse_menuitem_activated and _on_face_menuitem_activated. These icon files are written to the respective user's $HOME/.face location. If an unprivileged user prepares a symlink pointing to an arbitrary location, then this location will be overwritten with the icon content.
From the Ubuntu Security Team
Matthias Gerstner discovered that the cinnamon-settings-users utility in Cinnamon did not safely handle symlinks. An unprivileged user could potentially use this vulnerability to overwrite arbitrary files as root.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
cinnamon Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Released
(3.6.7-8ubuntu1+esm1)
Available with Ubuntu Pro |
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(3.8.8-1)
|
|
| eoan |
Not vulnerable
(3.8.8-1)
|
|
| focal |
Not vulnerable
(3.8.8-1)
|
|
| groovy |
Not vulnerable
(3.8.8-1)
|
|
| hirsute |
Not vulnerable
(3.8.8-1)
|
|
| impish |
Not vulnerable
(3.8.8-1)
|
|
| jammy |
Not vulnerable
(3.8.8-1)
|
|
| kinetic |
Not vulnerable
(3.8.8-1)
|
|
| lunar |
Not vulnerable
(3.8.8-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(3.8.8-1)
|
|
| xenial |
Released
(2.8.6-1ubuntu1+esm1)
Available with Ubuntu Pro |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |