CVE-2021-0405 : What You Need to Know
Learn about CVE-2021-0405, a critical vulnerability in Android versions 10 and 11 that allows local privilege escalation without user interaction. Find out the impact, technical details, and mitigation steps.
CVE-2021-0405 is a vulnerability found in Android versions 10 and 11 that allows for a local escalation of privilege without the need for user interaction. This flaw could potentially be exploited to gain System execution privileges.
Understanding CVE-2021-0405
This section provides insights into the nature of the CVE-2021-0405 vulnerability.
What is CVE-2021-0405?
CVE-2021-0405 is a security issue in Android's performance driver that arises from a missing bounds check, leading to a potential out-of-bounds write. This gap could enable threat actors to elevate their privilege locally, requiring System execution privileges for successful exploitation.
The Impact of CVE-2021-0405
The vulnerability poses a significant risk as it allows malicious actors to escalate privileges on affected devices without any user interaction, potentially leading to unauthorized access and control.
Technical Details of CVE-2021-0405
In this section, the technical aspects of CVE-2021-0405 are elaborated.
Vulnerability Description
The vulnerability stems from a lack of proper bounds checking in the performance driver, enabling an out-of-bounds write that could be leveraged for privilege escalation.
Affected Systems and Versions
Android versions 10 and 11 are impacted by this vulnerability, making devices running these versions susceptible to exploitation.
Exploitation Mechanism
Threat actors can exploit this vulnerability without the need for user interaction, potentially leading to a successful local privilege escalation attack.
Mitigation and Prevention
This section discusses the steps to mitigate and prevent CVE-2021-0405.
Immediate Steps to Take
Users are advised to apply the security patch labeled as ALPS05466547 to address the vulnerability and safeguard their devices.
Long-Term Security Practices
Implementing robust security practices, such as regular software updates and security assessments, can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly updating Android devices with the latest security patches is crucial to stay protected against known vulnerabilities and security threats.