Improper input validation in Projectatomic Bubblewrap
CVE-2019-12439
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/projectatomic/bubblewrap/issues/304 (Third Party Advisory)
- github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958e… (Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/projectatomic/bubblewrap/releases/tag/v0.3.3 (Third Party Advisory, Release Notes)
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00028.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-07/msg00015.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:1833 (vendor-advisory)
- security.gentoo.org/glsa/202006-18 (vendor-advisory)
Frequently asked questions
- What is CVE-2019-12439?
- CVE-2019-12439 is a high-severity vulnerability in Projectatomic Bubblewrap, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2019-05-29.
- How severe is CVE-2019-12439?
- High severity. CVSS v3 base score is 7.4 out of 10.