CVE-2019-12439
on github
Published
Severity
CVSS v3:
7.8 HIGH
CVSS v2:
4.6 MEDIUM
Description
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.
References
- https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3
- https://github.com/projectatomic/bubblewrap/issues/304
- https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e
- https://bugzilla.redhat.com/show_bug.cgi?id=1695963
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00015.html
- https://access.redhat.com/errata/RHSA-2019:1833
- https://security.gentoo.org/glsa/202006-18
Configurations
| CPE23 | Version Start | Version End | Exact Version |
|---|---|---|---|
| cpe:2.3:a:projectatomic:bubblewrap:*:*:*:*:*:*:*:* | n/a | 0.3.3 | * |