CVE-2021-0934 : Exploit Details and Defense Strategies
Understand the impact of CVE-2021-0934, a denial of service vulnerability in the Android operating system affecting multiple versions. Learn about affected systems, exploitation, and mitigation.
A denial of service vulnerability in the Android operating system has been identified with the CVE-2021-0934. This CVE impacts various versions of Android and could result in local denial of service without requiring user interaction.
Understanding CVE-2021-0934
This section will cover what CVE-2021-0934 is and its impact, along with technical details and mitigation strategies.
What is CVE-2021-0934?
The CVE-2021-0934 vulnerability is found in the findAllDeAccounts function of AccountsDb.java. It poses a risk of denial of service, leading to resource exhaustion and local denial of service attacks on affected Android versions.
The Impact of CVE-2021-0934
The potential consequences of CVE-2021-0934 include local denial of service incidents on Android-10, Android-11, Android-12, Android-12L, and Android-13 without the need for additional user privileges.
Technical Details of CVE-2021-0934
This section will delve into the vulnerability description, affected systems, and how the exploitation of CVE-2021-0934 can occur.
Vulnerability Description
The vulnerability arises from a flaw in the findAllDeAccounts function of AccountsDb.java, which could be exploited to cause resource exhaustion and trigger denial of service conditions.
Affected Systems and Versions
The vulnerability impacts Android versions including Android-10, Android-11, Android-12, Android-12L, and Android-13, leaving them vulnerable to local denial of service attacks.
Exploitation Mechanism
CVE-2021-0934 can be exploited by malicious actors to exhaust resources and disrupt the normal operation of the Android OS, resulting in local denial of service events.
Mitigation and Prevention
Learn how to protect your systems from the CVE-2021-0934 vulnerability through immediate actions and long-term security practices.
Immediate Steps to Take
It is recommended to implement security measures to mitigate the risk of CVE-2021-0934, considering the potential impact on affected Android versions.
Long-Term Security Practices
Employing secure coding practices, regular security assessments, and monitoring can enhance the overall security posture and help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches released by Android to address CVE-2021-0934 and other vulnerabilities, ensuring that your systems are up-to-date and protected against potential threats.