Out-of-bounds write in Samsung Blockchain Keystore - CVE-2023-21506
Published: May 2, 2023
Vulnerability identifier: #VU75669
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-21506
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a malicious application to compromise vulnerable system.
The vulnerability exists due to a boundary error within the BC_TUI_CMD_SEND_RESOURCE_DATA_ARRAY command in bc_tui trustlet. A malicious application can trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
Samsung Blockchain Keystore
How to mitigate CVE-2023-21506
Install updates from vendor's website.
Samsung Blockchain Keystore - update to 1.3.12.1