Out-of-Bounds Write Vulnerability in Samsung Blockchain Keystore
CVE-2023-21509

7.8HIGH

Key Information:

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

Summary

An out-of-bounds write vulnerability exists in the bc_tui trustlet of Samsung Blockchain Keystore versions prior to 1.3.12.1. It can be exploited by a local attacker to process BC_TUI_CMD_UPDATE_SCREEN, enabling the execution of arbitrary code. This flaw highlights a significant security risk for users of the affected versions, making it essential for prompt updates to safeguard against potential exploits.

Affected Version(s)

Samsung Blockchain Keystore < 1.3.12.1

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.