Samsung DSP Driver prior SMR Mar-2021 Release 1 ELF Library backdoor

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung DSP Driver and classified as critical. Affected is an unknown function of the component ELF Library Handler. Such manipulation leads to backdoor. This vulnerability is documented as CVE-2021-25371. The attack can be executed directly on the physical device. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung DSP Driver (Hardware Driver Software) and classified as critical. Affected by this issue is an unknown code of the component ELF Library Handler. The manipulation with an unknown input leads to a backdoor vulnerability. Using CWE to declare the problem leads to CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. Impacted is confidentiality, integrity, and availability.

The weakness was released 03/27/2021. This vulnerability is handled as CVE-2021-25371. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1588.001.

It is declared as attacked. This issue was added on 06/29/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/20/2023:

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Upgrading to version SMR Mar-2021 Release 1 eliminates this vulnerability. The upgrade is hosted for download at security.samsungmobile.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector ([email protected]): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Backdoor
CWE: CWE-912
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DSP Driver SMR Mar-2021 Release 1

Timelineinfo

01/19/2021 🔍
03/27/2021 +67 days 🔍
03/27/2021 +0 days 🔍
02/14/2025 +1420 days 🔍

Sourcesinfo

Vendor: samsung.com

Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-25371 (🔍)
GCVE (CVE): GCVE-0-2021-25371
GCVE (VulDB): GCVE-100-171896
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/27/2021 11:46
Updated: 02/14/2025 17:57
Changes: 03/27/2021 11:46 (35), 03/27/2021 11:47 (4), 04/06/2021 10:18 (3), 04/06/2021 10:22 (19), 04/29/2024 06:38 (28), 09/28/2024 14:50 (1), 02/14/2025 17:57 (11)
Complete: 🔍
Cache ID: 216::103

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