Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) Factory Reset Protection input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0). This affects an unknown function of the component Factory Reset Protection. The manipulation leads to input validation. This vulnerability is referenced as CVE-2019-20557. It is possible to launch the attack on the physical device. No exploit is available.
Details
A vulnerability was found in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) (Smartphone Operating System) and classified as critical. This issue affects some unknown functionality of the component Factory Reset Protection. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. 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. Attackers can bypass Factory Reset Protection (FRP) via a SIM card by blocking the PUK code. The Samsung ID is SVE-2019-15262 (October 2019).
The weakness was published 03/24/2020 (Website). The advisory is shared at security.samsungmobile.com. The identification of this vulnerability is CVE-2019-20557 since 03/23/2020. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entries are available at VDB-111342, VDB-111380, VDB-115287 and VDB-115285. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.samsung.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.6
NVD Vector: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/23/2020 🔍03/24/2020 🔍
03/25/2020 🔍
10/04/2020 🔍
Sources
Vendor: samsung.comAdvisory: security.samsungmobile.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2019-20557 (🔍)
GCVE (CVE): GCVE-0-2019-20557
GCVE (VulDB): GCVE-100-152105
See also: 🔍
Entry
Created: 03/25/2020 09:39Updated: 10/04/2020 19:27
Changes: 03/25/2020 09:39 (38), 03/25/2020 09:44 (18), 10/04/2020 19:27 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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