Samsung Blockchain Keystore prior 1.3.12.1 CMD_COLDWALLET_BTC_SET_PRV_UTXO out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Samsung Blockchain Keystore. Affected is the function CMD_COLDWALLET_BTC_SET_PRV_UTXO. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2023-21511. The attack needs to be launched locally. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Blockchain Keystore. It has been declared as problematic. This vulnerability affects the function CMD_COLDWALLET_BTC_SET_PRV_UTXO. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

Out-of-bounds Read vulnerability while processing CMD_COLDWALLET_BTC_SET_PRV_UTXO in bc_core trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to read arbitrary memory.

The weakness was published 05/05/2023. The advisory is shared for download at security.samsungmobile.com. This vulnerability was named CVE-2023-21511 since 11/14/2022. There are known technical details, but no exploit is available.

Upgrading to version 1.3.12.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25679). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector (Samsung Mobile): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: Blockchain Keystore 1.3.12.1

Timelineinfo

11/14/2022 🔍
05/05/2023 +171 days 🔍
05/05/2023 +0 days 🔍
09/18/2025 +867 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2023-21511 (🔍)
GCVE (CVE): GCVE-0-2023-21511
GCVE (VulDB): GCVE-100-228040
EUVD: 🔍

Entryinfo

Created: 05/05/2023 07:18
Updated: 09/18/2025 11:30
Changes: 05/05/2023 07:18 (49), 05/27/2023 19:13 (11), 09/18/2025 11:30 (16)
Complete: 🔍
Cache ID: 216::103

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

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