CVE-2021-0387 : Vulnerability Insights and Analysis
Discover the impact and mitigation steps for CVE-2021-0387 affecting Android-11. Learn about the use-after-free vulnerability and how to prevent local privilege escalation.
Android-11 is affected by a use-after-free vulnerability in FindQuotaDeviceForUuid of QuotaUtils.cpp. Exploiting this flaw could result in local escalation of privilege without user interaction.
Understanding CVE-2021-0387
This CVE describes an elevation of privilege vulnerability impacting Android-11.
What is CVE-2021-0387?
The vulnerability in FindQuotaDeviceForUuid of QuotaUtils.cpp can be exploited through a race condition, allowing attackers to locally escalate privileges on the affected system without requiring user interaction.
The Impact of CVE-2021-0387
If successfully exploited, this vulnerability could lead to a local elevation of privilege, granting the attacker system execution privileges.
Technical Details of CVE-2021-0387
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The use-after-free vulnerability in FindQuotaDeviceForUuid of QuotaUtils.cpp allows for a race condition exploit leading to local privilege escalation.
Affected Systems and Versions
The vulnerability affects systems running Android-11.
Exploitation Mechanism
The vulnerability can be exploited locally without user interaction, posing a significant security risk to affected systems.
Mitigation and Prevention
To safeguard systems from CVE-2021-0387, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
- Monitor official security bulletins for patch releases.
- Apply security updates promptly to patch the vulnerability.
Long-Term Security Practices
- Implement a robust security update management process.
- Regularly audit and review system code for vulnerabilities.
Patching and Updates
Stay informed about security updates and patch releases to protect your system against CVE-2021-0387.