CVE-2019-12439
Published: 29 May 2019
bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.
Notes
| Author | Note |
|---|---|
| msalvatore | Possibly mitigated by symlink restrictions |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
bubblewrap Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(0.3.1-4)
|
|
| eoan |
Not vulnerable
|
|
| focal |
Not vulnerable
|
|
| groovy |
Not vulnerable
|
|
| hirsute |
Not vulnerable
|
|
| impish |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| kinetic |
Not vulnerable
|
|
| lunar |
Not vulnerable
|
|
| mantic |
Not vulnerable
|
|
| noble |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(0.3.1-3)
|
|
| xenial |
Does not exist
|
|
|
Patches: upstream: https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |