CVE-2019-12439

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

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

Details

Risk Information

CVSS v2

CVSS v3