VDB-152119 · CVE-2019-20571 · GCVE-0-2019-20571

Samsung Mobile Devices O(8.x) WVDRM Trustlet type confusion

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Mobile Devices O(8.x). Affected by this vulnerability is an unknown functionality of the component WVDRM Trustlet. This manipulation causes type confusion. The identification of this vulnerability is CVE-2019-20571. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Samsung Mobile Devices O(8.x) (Smartphone Operating System). Affected by this vulnerability is some unknown functionality of the component WVDRM Trustlet. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on Samsung mobile devices with O(8.x) (with TEEGRIS) software. There is type confusion in the WVDRM Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2019-14885 (September 2019).

The weakness was shared 03/24/2020 (Website). It is possible to read the advisory at security.samsungmobile.com. This vulnerability is known as CVE-2019-20571 since 03/23/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-111342, VDB-111380, VDB-115287 and VDB-115285 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Samsung

Name

Mobile Devices

Version

O(8.x)

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: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Type confusion
CWE: CWE-843
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/23/2020 🔍
03/24/2020 +1 days 🔍
03/25/2020 +1 days 🔍
10/04/2020 +193 days 🔍

Sourcesinfo

Vendor: samsung.com

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

CVE: CVE-2019-20571 (🔍)
GCVE (CVE): GCVE-0-2019-20571
GCVE (VulDB): GCVE-100-152119
See also: 🔍

Entryinfo

Created: 03/25/2020 09:43
Updated: 10/04/2020 19:54
Changes: 03/25/2020 09:43 (38), 03/25/2020 09:48 (18), 10/04/2020 19:54 (1)
Complete: 🔍
Cache ID: 216::103