Vulnerability Monitor

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CVE-2018-16263

The PulseAudio system service in Tizen allows an unprivileged process to control its A2DP MediaEndpoint, due to improper D-Bus security policy configurations. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from linux, from samsung organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-01-22T13:15:10.097

Last Modified

2024-11-21T03:52:24.473

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:P/I:P/A:P

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

6.5

Impact Score

6.4

Weaknesses

Type: Primary
CWE-269

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	tizen	1.0	Yes
Operating System	linux	tizen	1.0	Yes
Operating System	linux	tizen	2.0	Yes
Operating System	linux	tizen	2.1	Yes
Operating System	linux	tizen	2.2	Yes
Operating System	linux	tizen	2.2.1	Yes
Operating System	linux	tizen	2.3	Yes
Operating System	linux	tizen	2.3.1	Yes
Operating System	linux	tizen	2.4	Yes
Operating System	linux	tizen	3.0	Yes
Operating System	linux	tizen	3.0	Yes
Operating System	linux	tizen	3.0	Yes
Operating System	linux	tizen	4.0	Yes
Operating System	linux	tizen	4.0	Yes
Operating System	linux	tizen	4.0	Yes
Operating System	linux	tizen	5.0	Yes
Hardware	samsung	galaxy_gear	-	No

References

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 Third Party Advisory ([email protected])
https://review.tizen.org/git/?p=platform/upstream/pulseaudio.git%3Ba=commit%3Bh=81e8ba9f3ab0917da4fdfa094f49333be57964c6 ([email protected])
https://www.youtube.com/watch?v=3IdgBwbOT-g&feature=youtu.be Third Party Advisory ([email protected])
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 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://review.tizen.org/git/?p=platform/upstream/pulseaudio.git%3Ba=commit%3Bh=81e8ba9f3ab0917da4fdfa094f49333be57964c6 (af854a3a-2127-422b-91ae-364da2661108)
https://www.youtube.com/watch?v=3IdgBwbOT-g&feature=youtu.be Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.