CVE-2020-10849 : Exploit Details and Defense Strategies

An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Exynos7885, Exynos8895, and Exynos9810 chipsets) software. The Gatekeeper trustlet allows a brute-force attack on the screen lock password. The Samsung ID is SVE-2019-14575 (January 2020).

Understanding CVE-2020-10849

This CVE identifies a security vulnerability on Samsung mobile devices that could potentially lead to a brute-force attack on the screen lock password.

What is CVE-2020-10849?

CVE-2020-10849 is a security flaw found in Samsung mobile devices running specific software versions, enabling a brute-force attack on the screen lock password.

The Impact of CVE-2020-10849

The vulnerability could allow malicious actors to perform brute-force attacks on the screen lock password of affected Samsung devices, potentially compromising user data and privacy.

Technical Details of CVE-2020-10849

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The Gatekeeper trustlet on Samsung devices with certain chipsets and software versions is susceptible to brute-force attacks on screen lock passwords.

Affected Systems and Versions

Affected devices: Samsung mobile devices with Exynos7885, Exynos8895, and Exynos9810 chipsets
Affected software versions: O(8.x), P(9.0), and Q(10.0)

Exploitation Mechanism

The vulnerability allows attackers to repeatedly attempt different combinations to unlock the screen password, potentially gaining unauthorized access to the device.

Mitigation and Prevention

Protecting devices from CVE-2020-10849 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the device software to the latest version provided by Samsung.
Use strong and unique screen lock passwords to mitigate brute-force attacks.

Long-Term Security Practices

Regularly check for security updates and apply them promptly.
Enable additional security features such as biometric authentication for enhanced protection.

Patching and Updates

Samsung has released security updates addressing this vulnerability. Users should ensure their devices are updated with the latest patches to mitigate the risk of exploitation.