7.8
CWE
787
Advisory Published
Updated

CVE-2023-21509

First published: Thu May 04 2023(Updated: )

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

Credit: mobile.security@samsung.com

Affected SoftwareAffected VersionHow to fix
Samsung Blockchain Wallet<1.3.12.1

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Frequently Asked Questions

  • What is the severity of CVE-2023-21509?

    CVE-2023-21509 is classified as a high-severity vulnerability that allows local attackers to execute arbitrary code.

  • How do I fix CVE-2023-21509?

    To fix CVE-2023-21509, update the Samsung Blockchain Keystore to version 1.3.12.1 or later.

  • Who is affected by CVE-2023-21509?

    CVE-2023-21509 affects users of the Samsung Blockchain Keystore prior to version 1.3.12.1.

  • What kind of attack does CVE-2023-21509 enable?

    CVE-2023-21509 enables local attackers to perform arbitrary code execution through an out-of-bounds write.

  • Is CVE-2023-21509 specific to certain devices?

    CVE-2023-21509 is specific to devices using the vulnerable version of Samsung Blockchain Keystore software.

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