CVE-2021-0349 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-0349, a critical memory corruption flaw in Android OS 9, 10, and 11 that could lead to privilege escalation without user interaction. Learn how to mitigate the risks.
A vulnerability has been identified in Android versions 9, 10, and 11 that could allow an attacker to execute code with elevated privileges without user interaction. This CVE, assigned CVE-2021-0349, involves a memory corruption issue in the display driver that could lead to a local privilege escalation.
Understanding CVE-2021-0349
This section provides insights into the nature and impact of the CVE-2021-0349 vulnerability.
What is CVE-2021-0349?
CVE-2021-0349 is a security flaw in Android versions 9, 10, and 11 that results from a memory corruption issue in the display driver. This flaw could be exploited by a malicious actor to achieve local privilege escalation without requiring any user interaction.
The Impact of CVE-2021-0349
The exploitation of CVE-2021-0349 could allow an attacker to execute arbitrary code with elevated privileges, posing a significant risk of unauthorized access and control over the affected system.
Technical Details of CVE-2021-0349
In this section, we delve into the specific technical aspects of the CVE-2021-0349 vulnerability.
Vulnerability Description
The vulnerability stems from a use-after-free memory corruption in the display driver, which could be leveraged by an attacker to escalate privileges locally.
Affected Systems and Versions
The affected systems include Android versions 9, 10, and 11, potentially impacting a large number of devices running these OS versions.
Exploitation Mechanism
Exploiting this vulnerability does not require any user interaction, making it particularly dangerous as it allows attackers to escalate privileges without detection.
Mitigation and Prevention
This section outlines measures that can be taken to mitigate the risks associated with CVE-2021-0349.
Immediate Steps to Take
Users are advised to apply security patches provided by the vendor promptly to address the CVE-2021-0349 vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing robust security practices such as regular software updates, monitoring for unauthorized activities, and restricting system access can help enhance overall security posture.
Patching and Updates
Vendor-issued patches, like Patch ID ALPS05362646, should be applied as soon as they are available to close the security gap caused by CVE-2021-0349.