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TI-2023-07907 Aliases CVE-2023-21506GHSA-7q9c-c73r-h952

Out-of-bounds write in Samsung Blockchain Keystore

Priority LOW 35CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Out-of-bounds Write vulnerability while processing BC_TUI_CMD_SEND_RESOURCE_DATA_ARRAY command in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00195 9th percentileScored 2026-11-07
Fix Fixed Samsung Blockchain Keystore (Samsung Mobile): 1.3.12.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungSamsung Blockchain Keystorebefore 1.3.12.11.3.12.1Patch availableCNA
  • Samsung Blockchain Keystore VendorSamsung Affected before 1.3.12.1 Fixed in 1.3.12.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:samsung:samsung_blockchain_keystore:*:*:*:*:*:*:*:*before 1.3.12.1VulnerableSamsung
  • cpe:2.3:a:samsung:samsung_blockchain_keystore:*:*:*:*:*:*:*:* Versions before 1.3.12.1 Vulnerable ·Samsung

Remediation

  • Fix · CNA Samsung Blockchain Keystore (Samsung Mobile) Fixed in 1.3.12.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Samsung Blockchain Keystore 1.3.12.1

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2023-07910 Out-of-bounds write in Samsung Blockchain KeystorePriority LOW 35
    • TI-2023-07909 Out-of-bounds write in Samsung Blockchain KeystorePriority LOW 35
    • TI-2023-07912 Out-of-bounds read in Samsung Blockchain KeystorePriority LOW 24
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21506
  2. 2026-10-03 Alias added: GHSA-7q9c-c73r-h952

References

Advisory 1

  • TI-2023-07910 Out-of-bounds write in Samsung Blockchain Keystore CVSS 3.1HIGH 7.8
  • TI-2023-07909 Out-of-bounds write in Samsung Blockchain Keystore CVSS 3.1HIGH 7.8
  • TI-2023-07912 Out-of-bounds read in Samsung Blockchain Keystore CVSS 3.1MEDIUM 5.5
  • TI-2023-07911 Out-of-bounds read in Samsung Blockchain Keystore CVSS 3.1MEDIUM 5.5
  • TI-2023-07908 Out-of-bounds read in Samsung Blockchain Keystore CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences