Privilege escalation in Linux Tizen
CVE-2018-16267
The system-popup system service in Tizen allows an unprivileged process to perform popup-related system actions, due to improper D-Bus security policy configurations. Such actions include the triggering system poweroff menu, and prompting a popup with arbitrary strings. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Linux Tizen — versions 1.0, 2.0, 2.1
- Samsung Galaxy Gear
Weakness classification (CWE)
References
- media.defcon.org/DEF CON 26/DEF CON 26 presentations/Dongsung Kim and Hyoung Ke… (Third Party Advisory)
- review.tizen.org/git/
- www.youtube.com/watch (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16267?
- CVE-2018-16267 is a high-severity vulnerability in Linux Tizen, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2020-01-22.
- How severe is CVE-2018-16267?
- High severity. CVSS v3 base score is 8.1 out of 10.