Vulnerability in Flatpak
CVE-2019-8308
Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows attackers to modify a host-side executable file.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Flatpak
- Debian Linux — versions 9.0, 10.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory, Issue Tracking)
- github.com/flatpak/flatpak/releases/tag/1.2.3 (Third Party Advisory)
- github.com/flatpak/flatpak/releases/tag/1.0.7 (Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0375 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00088.html (vendor-advisory)
Frequently asked questions
- What is CVE-2019-8308?
- CVE-2019-8308 is a high-severity vulnerability in Flatpak, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.2/10. Published 2019-02-12.
- How severe is CVE-2019-8308?
- High severity. CVSS v3 base score is 8.2 out of 10.