Samsung Note prior 4.3.02.61 libSPenBase out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Samsung Note. This issue affects some unknown processing of the component libSPenBase. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2021-25492. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.
Details
A vulnerability was found in Samsung Note (Smartphone Operating System). It has been declared as critical. This vulnerability affects an unknown part of the component libSPenBase. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 10/07/2021. The advisory is shared for download at security.samsungmobile.com. This vulnerability was named CVE-2021-25492 since 01/19/2021. There are neither technical details nor an exploit publicly available.
Upgrading to version 4.3.02.61 eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.samsung.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.3
CNA Vector (Samsung Mobile): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Note 4.3.02.61
Timeline
01/19/2021 🔍10/07/2021 🔍
10/07/2021 🔍
10/10/2021 🔍
Sources
Vendor: samsung.comAdvisory: security.samsungmobile.com
Status: Confirmed
CVE: CVE-2021-25492 (🔍)
GCVE (CVE): GCVE-0-2021-25492
GCVE (VulDB): GCVE-100-184012
Entry
Created: 10/07/2021 15:15Updated: 10/10/2021 12:16
Changes: 10/07/2021 15:15 (49), 10/10/2021 12:16 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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