CVE-2019-2050 : What You Need to Know
Learn about CVE-2019-2050, a use-after-free vulnerability in Android versions 8.0, 8.1, and 9, potentially leading to local privilege escalation. Find out how to mitigate and prevent exploitation.
Android versions 8.0, 8.1, and 9 are affected by a use-after-free vulnerability in the tearDownClientInterface function in WificondControl.java, potentially leading to local privilege escalation without additional execution privileges.
Understanding CVE-2019-2050
A vulnerability in Android versions 8.0, 8.1, and 9 that could allow for local privilege escalation.
What is CVE-2019-2050?
CVE-2019-2050 is a use-after-free vulnerability in the tearDownClientInterface function in WificondControl.java within Android versions 8.0, 8.1, and 9. The flaw could be exploited for local privilege escalation without requiring extra execution privileges.
The Impact of CVE-2019-2050
This vulnerability could be exploited without user interaction, potentially allowing an attacker to escalate privileges locally on affected Android devices.
Technical Details of CVE-2019-2050
A closer look at the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability stems from inadequate locking in the tearDownClientInterface function in WificondControl.java, leading to a use-after-free scenario.
Affected Systems and Versions
- Product: Android
- Versions: 8.0, 8.1, 9
Exploitation Mechanism
The flaw could be exploited to achieve local privilege escalation without needing additional execution privileges.
Mitigation and Prevention
Measures to address and prevent the CVE-2019-2050 vulnerability.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor communications for updates and advisories.
Long-Term Security Practices
- Regularly update and patch all software and firmware on devices.
- Implement least privilege access controls to limit potential damage from successful exploits.
- Conduct regular security assessments and audits to identify and address vulnerabilities.
- Educate users on safe computing practices to minimize the risk of exploitation.
Patching and Updates
Ensure that all affected systems are updated with the latest security patches to mitigate the risk of exploitation.