CVE-2020-27402 : Vulnerability Insights and Analysis
Learn about CVE-2020-27402 affecting the HK1 Box S905X3 TV Box, allowing local unprivileged users to escalate to root. Find mitigation steps and long-term security practices here.
The HK1 Box S905X3 TV Box contains a vulnerability that allows a local unprivileged user to escalate to root using the /system/xbin/su binary via a serial port (UART) connection or using adb.
Understanding CVE-2020-27402
This CVE entry describes a security vulnerability in the HK1 Box S905X3 TV Box that enables a local unprivileged user to gain root access through specific means.
What is CVE-2020-27402?
The CVE-2020-27402 vulnerability allows unauthorized users to elevate their privileges to root on the HK1 Box S905X3 TV Box by exploiting the /system/xbin/su binary via a UART connection or adb.
The Impact of CVE-2020-27402
The vulnerability poses a significant security risk as it enables unauthorized users to gain elevated privileges on the affected device, potentially leading to unauthorized access and control.
Technical Details of CVE-2020-27402
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability in the HK1 Box S905X3 TV Box allows local unprivileged users to escalate their privileges to root by leveraging the /system/xbin/su binary through a UART connection or adb.
Affected Systems and Versions
- Product: HK1 Box S905X3 TV Box
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
The vulnerability can be exploited by a local unprivileged user through a serial port (UART) connection or by using adb to access the /system/xbin/su binary.
Mitigation and Prevention
Protecting systems from CVE-2020-27402 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable unnecessary services and ports to reduce the attack surface.
- Monitor and restrict access to UART connections and adb.
- Implement strong password policies for system access.
Long-Term Security Practices
- Regularly update and patch the device's firmware to address known vulnerabilities.
- Conduct security audits and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
- Apply patches and updates provided by the device manufacturer to mitigate the CVE-2020-27402 vulnerability.