CVE-2018-16268
MEDIUMTizen < 5.0 M1 - Unauthenticated Privilege Escalation via D-Bus Security Policy Misconfiguration
Title source: llmDescription
The SoundServer/FocusServer system services in Tizen allow an unprivileged process to perform media-related system actions, due to improper D-Bus security policy configurations. Such actions include playing an arbitrary sound file or DTMF tones. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_misc
https://media.defcon.org/DEF%20CON%2026/DEF%20CON%2026%20presentations/Dongsung%20Kim%20and%20Hyoung%20Kee%20Choi%20-%20Updated/DEFCON-26-Dongsung-Kim-and-Hyoung-Kee-Choi-Your-Watch-Can-Watch-You-Updated.pdf
Various Sources x_refsource_misc
https://review.tizen.org/git/?p=platform/core/multimedia/libmm-sound.git%3Ba=commit%3Bh=7fce6f2d6d480b3bd0e84a5ba3f72173a37e36db
Third Party Advisory x_refsource_misc
https://www.youtube.com/watch?v=3IdgBwbOT-g&feature=youtu.be
Scores
CVSS v3
4.3
EPSS
0.0052
EPSS Percentile
40.1%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-269
Status
published
Products (11)
linux/tizen
1.0 (2 CPE variants)
linux/tizen
2.0
linux/tizen
2.1
linux/tizen
2.2
linux/tizen
2.2.1
linux/tizen
2.3
linux/tizen
2.3.1
linux/tizen
2.4
linux/tizen
3.0 (3 CPE variants)
linux/tizen
4.0 m1 (3 CPE variants)
... and 1 more
Published
Jan 22, 2020
Tracked Since
Feb 18, 2026