CVE-2019-12439: Input Validation
First published: Thu Apr 04 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/bubblewrap | <0.3.3 | 0.3.3 |
| Projectatomic Bubblewrap | <0.3.3 |
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Reference Links
- 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://bugzilla.redhat.com/show_bug.cgi?id=1695963
- https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e
- https://github.com/projectatomic/bubblewrap/issues/304
- https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3
- https://security.gentoo.org/glsa/202006-18
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1695965
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1695964
- https://bodhi.fedoraproject.org/updates/bubblewrap-0.3.3-2.el7
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1695963#c5
- https://access.redhat.com/security/cve/cve-2019-12439
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