CVE-2023-21492: Samsung Mobile Devices – Sensitive Information Logged, Enabling ASLR Bypass
What It Is – Samsung smartphones running Android 11‑13 contain a flaw where privileged, local processes can write sensitive runtime data (including memory addresses) to system logs. The leaked data can be leveraged to bypass address‑space‑layout‑randomization (ASLR).
Exploitability – The vulnerability requires local privileged access; no public exploit code is known, but an attacker with such access can reliably weaponize the logged data. CVSS v3.1 base score is 7.8 (High).
Affected Products – Samsung Galaxy smartphones and tablets shipped with Android 11, 12, or 13 (all models that include the vulnerable logging component).
Why It Matters for Trust & Control Assurance
- Log sanitization is a core control objective; leaking sensitive runtime data undermines the integrity of audit logs and hampers forensic investigations.
- Continuous evidence of proper log handling is a key trust signal for regulators and enterprise buyers who demand defensible audit trails.
- Mapping this flaw to a control‑objective (e.g., “Log Management & Sensitive Data Protection”) demonstrates how a single remediation effort satisfies multiple framework requirements (NIST CSF, ISO 27001, etc.).
Recommended Actions
- Deploy Samsung’s security patch for CVE‑2023‑21492 as soon as it is available on the OTA channel.
- Review and harden log‑generation settings on all managed devices: disable verbose logging for privileged components and enforce redaction of sensitive fields.
- Capture remediation evidence (patch version, configuration snapshots) and map the change to the “Log Management” control objective in your compliance framework.
- Incorporate the patch status into your continuous monitoring pipeline to provide real‑time assurance to auditors and partners.
Source: CISA KEV – CVE‑2023‑21492