PT-2023-18263 · Samsung · Samsung Blockchain Keystore

F4Lt + 3 · Published 2023-05-04 · Updated 2023-05-11 · CVE-2023-21508

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Samsung Blockchain Keystore versions prior to 1.3.12.1

Description The issue is related to an Out-of-bounds Write vulnerability that occurs while processing the BC TUI CMD SEND RESOURCE DATA command in the bc tui trustlet. This vulnerability allows a local attacker to execute arbitrary code.

Recommendations For versions prior to 1.3.12.1, update to version 1.3.12.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the bc tui trustlet to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-21508

Affected Products

Samsung Blockchain Keystore

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2023-21508 · Security Note
• https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=05 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21508 · Vendor Advisory
• https://t.me/cibsecurity/63333 · Telegram Post
• https://t.me/cvenotify/50202 · Telegram Post