CVE-2021-39675 : What You Need to Know
Learn about CVE-2021-39675, a vulnerability in Android-12 that allows remote privilege escalation without user interaction. Find mitigation steps and long-term security practices.
This article provides details about CVE-2021-39675, a vulnerability in Android-12 that could lead to remote escalation of privilege.
Understanding CVE-2021-39675
CVE-2021-39675 is a vulnerability in Android-12 that could allow remote attackers to escalate privileges without additional execution privileges.
What is CVE-2021-39675?
In GKI_getbuf of gki_buffer.cc in Android-12, a heap buffer overflow can occur, resulting in a possible out-of-bounds write. This vulnerability could enable remote escalation of privilege without requiring user interaction.
The Impact of CVE-2021-39675
The vulnerability could be exploited for remote escalation of privilege, posing a risk to the security of Android-12 devices.
Technical Details of CVE-2021-39675
CVE-2021-39675 involves the following technical details:
Vulnerability Description
The vulnerability is due to a heap buffer overflow in GKI_getbuf of gki_buffer.cc in Android-12, leading to a potential out-of-bounds write.
Affected Systems and Versions
- Product: Android
- Version: Android-12
Exploitation Mechanism
The exploit does not require user interaction and could allow remote attackers to gain escalated privileges.
Mitigation and Prevention
To address CVE-2021-39675, consider the following mitigation steps:
Immediate Steps to Take
- Update Android-12 devices to the latest security patch.
- Monitor for any signs of unauthorized access or privilege escalation.
Long-Term Security Practices
- Implement regular security updates and patches for Android-12.
- Conduct periodic security assessments to identify and address any vulnerabilities proactively.
Patching and Updates
Regularly monitor and apply security patches released by Android to safeguard against potential exploits of this vulnerability.