Horizon Alert
Summary of the vulnerability and why it matters
A race condition in the MFC charger driver on certain Samsung Android devices presents a security vulnerability. This flaw allows a local attacker, who has already compromised radio privileges, to bypass signature checks. The potential impact includes unauthorized modifications to the system and data.
- Vulnerable Samsung Android devices.
- Race condition bypasses signature checks.
- Unauthorized system and data access.
Attack Path
How an attacker could exploit the issue
This vulnerability impacts Samsung Android devices that have not been updated with security patches from May 2021 or later. Attackers with existing privileged access to a device can exploit a race condition in the MFC charger driver. This could allow them to bypass security checks and gain unauthorized control over the device.
- Local access required.
- Attacker bypasses signature check.
- Unspecified control gained.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability, found in Samsung Android devices, could allow an attacker with compromised radio privileges to bypass security checks. Exploiting this requires difficult local access to the device. The potential impact includes unauthorized data access and modification.
- Likely attacker skill level: Advanced
- Required access or conditions: Compromised radio privilege
- Business risk or urgency: Moderate
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
A race condition in the MFC charger driver for Samsung Android devices could allow a local attacker with compromised radio privileges to bypass signature checks. This vulnerability presents a medium severity risk.
- Identify Samsung Android devices.
- Isolate affected devices or reduce access.
- Apply vendor security updates and validate.
- Monitor for related security events.
