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 |
jammy |
Not vulnerable
|
lunar |
Not vulnerable
|
|
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
|
|
kinetic |
Not vulnerable
|
|
trusty |
Does not exist
|
|
upstream |
Released
(0.3.1-3)
|
|
xenial |
Does not exist
|
|
mantic |
Not vulnerable
|
|
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 |