Out-of-Bounds Read Vulnerability in Samsung Blockchain Keystore
CVE-2023-21511

4.4MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Blockchain Keystore
Vendor
CVE Published:
4 May 2023

What is CVE-2023-21511?

An out-of-bounds read vulnerability exists in the bc_core trustlet of the Samsung Blockchain Keystore, specifically when processing the CMD_COLDWALLET_BTC_SET_PRV_UTXO command. This flaw can be exploited by a local attacker, potentially enabling them to read arbitrary memory contents. The issue impacts versions prior to 1.3.12.1 and poses a risk of unauthorized data disclosure.

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Affected Version(s)

Samsung Blockchain Keystore < 1.3.12.1

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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