CVE-2021-0465 : What You Need to Know
CVE-2021-0465 poses a local privilege escalation risk in the Android kernel due to an out-of-bounds write issue. Learn about the impact, affected systems, and mitigation steps.
A vulnerability in the Android kernel could allow an attacker to perform an out-of-bounds write, potentially leading to local privilege escalation without requiring additional privileges or user interaction.
Understanding CVE-2021-0465
This CVE identifies a flaw in the GenerateFaceMask function of face.cc in the Android kernel, posing a risk of privilege elevation.
What is CVE-2021-0465?
The vulnerability in GenerateFaceMask of face.cc may enable an attacker to write beyond the intended boundaries, allowing for privilege escalation.
The Impact of CVE-2021-0465
If exploited, this flaw could be leveraged for local privilege escalation without the need for additional execution privileges or user interaction.
Technical Details of CVE-2021-0465
This section delves into the technical aspects of the CVE.
Vulnerability Description
The issue arises in GenerateFaceMask of face.cc due to an inaccurate bounds check, facilitating unauthorized out-of-bounds writing.
Affected Systems and Versions
The affected product is Android with the vulnerable component being the Android kernel.
Exploitation Mechanism
Exploiting this vulnerability does not require user interaction and could allow an attacker to escalate privileges locally.
Mitigation and Prevention
Explore the measures to mitigate and prevent the exploitation of CVE-2021-0465.
Immediate Steps to Take
It is crucial to apply security patches promptly and implement additional security measures to mitigate the risk of exploitation.
Long-Term Security Practices
Adopting robust security practices, such as regular security updates and system hardening, can enhance resilience against such vulnerabilities.
Patching and Updates
Stay informed about security bulletins and update mechanisms to ensure timely patching of vulnerabilities like CVE-2021-0465.