VDB-149225 · CVE-2018-16263 · GCVE-0-2018-16263

Samsung Tizen up to 5.0 PulseAudio System Service privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Samsung Tizen up to 5.0. Affected is an unknown function of the component PulseAudio System Service. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2018-16263. The attack needs to be initiated within the local network. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Tizen up to 5.0 and classified as critical. This issue affects some unknown processing of the component PulseAudio System Service. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 01/22/2020. The identification of this vulnerability is CVE-2018-16263 since 08/31/2018. The exploitation is known to be easy. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 5.0 M1 eliminates this vulnerability.

Similar entries are available at VDB-149229, VDB-149228, VDB-149227 and VDB-149226. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Samsung

Name

Tizen

Version

License

commercial

Website

Vendor: https://www.samsung.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tizen 5.0 M1

Timelineinfo

08/31/2018 🔍
01/22/2020 +509 days 🔍
01/23/2020 +1 days 🔍
01/23/2020 +0 days 🔍

Sourcesinfo

Vendor: samsung.com

Status: Not defined

CVE: CVE-2018-16263 (🔍)
GCVE (CVE): GCVE-0-2018-16263
GCVE (VulDB): GCVE-100-149225
See also: 🔍

Entryinfo

Created: 01/23/2020 06:50
Updated: 01/23/2020 06:55
Changes: 01/23/2020 06:50 (38), 01/23/2020 06:55 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.