CVE-2020-27050 : What You Need to Know
Learn about CVE-2020-27050, a heap buffer overflow vulnerability in Android-11's rw_i93_send_cmd_write_multi_blocks, allowing local privilege escalation without additional permissions.
Android-11 rw_i93_send_cmd_write_multi_blocks vulnerability
Understanding CVE-2020-27050
This CVE involves a heap buffer overflow in rw_i93_send_cmd_write_multi_blocks in Android-11, potentially leading to privilege escalation.
What is CVE-2020-27050?
The vulnerability in rw_i93_send_cmd_write_multi_blocks of rw_i93.cc could allow local attackers to perform an out-of-bounds write, enabling them to escalate privileges without additional permissions.
The Impact of CVE-2020-27050
The exploit requires user interaction but could result in a local escalation of privilege on affected Android-11 devices.
Technical Details of CVE-2020-27050
The technical aspects of this vulnerability are as follows:
Vulnerability Description
- Type: Elevation of privilege
- Location: rw_i93_send_cmd_write_multi_blocks in rw_i93.cc
- Risk: Heap buffer overflow
Affected Systems and Versions
- Product: Android
- Version: Android-11
Exploitation Mechanism
- Attack Vector: Local
- Required User Interaction: Yes
- Privileges Required: None
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2020-27050:
Immediate Steps to Take
- Apply security patches promptly
- Monitor for any unusual system behavior
Long-Term Security Practices
- Regularly update software and firmware
- Educate users on safe computing practices
Patching and Updates
- Stay informed about security bulletins and updates
- Implement a robust patch management process