CVE-2019-2176 Explained : Impact and Mitigation

A potential vulnerability has been identified in Android 8.0, 8.1, and 9, specifically in the ihevcd_parse_headers.c file's ihevcd_parse_buffering_period_sei function. The vulnerability may result in an out-of-bounds write operation, potentially allowing for remote code execution without additional execution privileges.

Understanding CVE-2019-2176

This CVE affects Android versions 8.0, 8.1, and 9, posing a risk of remote code execution due to a missing bounds check.

What is CVE-2019-2176?

Vulnerability in ihevcd_parse_buffering_period_sei function in Android 8.0, 8.1, and 9
Out-of-bounds write operation possible
Remote code execution without additional privileges
User interaction required for successful exploitation

The Impact of CVE-2019-2176

The vulnerability could lead to remote code execution, potentially compromising the affected systems.

Technical Details of CVE-2019-2176

This section provides technical insights into the vulnerability.

Vulnerability Description

Located in ihevcd_parse_headers.c file
Missing bounds check in ihevcd_parse_buffering_period_sei function
Allows for out-of-bounds write operation

Affected Systems and Versions

Android 8.0, 8.1, and 9

Exploitation Mechanism

Remote code execution possible without additional privileges
User interaction required for successful exploitation

Mitigation and Prevention

Protecting systems from CVE-2019-2176 is crucial for maintaining security.

Immediate Steps to Take

Apply security patches provided by the vendor
Monitor for any unusual system behavior
Educate users on potential phishing attempts

Long-Term Security Practices

Regularly update software and firmware
Implement network segmentation to contain potential threats
Conduct security audits and penetration testing

Patching and Updates

Regularly check for security updates from the vendor
Apply patches promptly to mitigate the vulnerability