VDB-152873 · CVE-2018-21042 · GCVE-0-2018-21042

Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) Dual Messenger authorization

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0). It has been rated as critical. The affected element is an unknown function of the component Dual Messenger. The manipulation leads to authorization. This vulnerability is listed as CVE-2018-21042. The attack may be initiated remotely. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) (Smartphone Operating System). It has been rated as critical. This issue affects an unknown function of the component Dual Messenger. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on Samsung mobile devices with N(7.x), O(8.x), and P(9.0) software. Dual Messenger allows installation of an arbitrary APK with resultant privileged code execution. The Samsung ID is SVE-2018-13299 (December 2018).

The weakness was presented 04/08/2020 (Website). The advisory is shared at security.samsungmobile.com. The identification of this vulnerability is CVE-2018-21042 since 04/07/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem.

See VDB-111342, VDB-111380, VDB-115287 and VDB-115285 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Samsung

Name

Mobile Devices

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: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2020 🔍
04/08/2020 +1 days 🔍
04/09/2020 +1 days 🔍
10/07/2020 +181 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-21042 (🔍)
GCVE (CVE): GCVE-0-2018-21042
GCVE (VulDB): GCVE-100-152873
See also: 🔍

Entryinfo

Created: 04/09/2020 08:52
Updated: 10/07/2020 15:55
Changes: 04/09/2020 08:52 (39), 04/09/2020 08:57 (18), 10/07/2020 15:55 (1)
Complete: 🔍
Cache ID: 216::103

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