CVE-2019-2207 : Vulnerability Insights and Analysis

Android devices are affected by a vulnerability in the nfa_hci_handle_admin_gate_rsp function, potentially leading to local privilege escalation without user interaction.

Understanding CVE-2019-2207

This CVE identifies an out-of-bounds write vulnerability in Android versions 8.0, 8.1, 9, and 10, allowing for elevation of privilege.

What is CVE-2019-2207?

The vulnerability lies in the nfa_hci_handle_admin_gate_rsp function in nfa_hci_act.cc, where missing bounds checks can be exploited for local privilege escalation.

The Impact of CVE-2019-2207

Local privilege escalation vulnerability in Android devices
Requires system execution privileges
No user interaction needed for exploitation

Technical Details of CVE-2019-2207

The technical aspects of this CVE include:

Vulnerability Description

Out-of-bounds write vulnerability in nfa_hci_handle_admin_gate_rsp
Potential for local privilege escalation

Affected Systems and Versions

Affected product: Android
Affected versions: Android-8.0, Android-8.1, Android-9, Android-10

Exploitation Mechanism

Exploitation does not require user interaction
Local privilege escalation with system execution privileges

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial:

Immediate Steps to Take

Apply security patches promptly
Monitor official security bulletins for updates

Long-Term Security Practices

Regularly update Android devices
Implement security best practices to prevent privilege escalation
Conduct security audits and assessments
Employ security solutions to detect and mitigate similar vulnerabilities
Follow secure coding practices

Patching and Updates

Stay informed about security updates from Android
Apply patches as soon as they are released
Regularly check for security advisories and bulletins