CVE-2021-0687 : Vulnerability Insights and Analysis
Learn about CVE-2021-0687, a Denial of Service vulnerability impacting Android devices due to improper input validation in Layout.java. Find out the impact, affected versions, and mitigation steps.
Android devices are vulnerable to a Denial of Service (DoS) attack due to improper input validation in the ellipsize function of Layout.java. This vulnerability, identified as CVE-2021-0687, could potentially lead to local DoS without the need for additional execution privileges. User interaction is required to exploit this vulnerability.
Understanding CVE-2021-0687
This section will cover what CVE-2021-0687 is and its impact.
What is CVE-2021-0687?
CVE-2021-0687 is a vulnerability in Android devices caused by improper input validation in the ellipsize function of Layout.java. This flaw could result in a local Denial of Service attack without requiring extra execution privileges.
The Impact of CVE-2021-0687
The vulnerability poses a risk of local Denial of Service (DoS) on affected Android devices, potentially disrupting normal device functionality or performance.
Technical Details of CVE-2021-0687
This section will delve into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises in the ellipsize function of Layout.java, allowing an attacker to trigger a DoS condition locally.
Affected Systems and Versions
Android versions Android-9, Android-10, Android-11, and Android-8.1 are impacted by CVE-2021-0687 and are susceptible to exploitation.
Exploitation Mechanism
Exploiting this vulnerability requires user interaction and involves manipulating the input validation process to trigger a DoS condition.
Mitigation and Prevention
This section will outline steps to mitigate the risks associated with CVE-2021-0687.
Immediate Steps to Take
Users are advised to apply security patches promptly and exercise caution while interacting with untrusted content or sources.
Long-Term Security Practices
Implementing a robust security posture, including regular security updates and user awareness training, can help prevent or mitigate similar vulnerabilities in the future.
Patching and Updates
Keep your Android device up to date with the latest security patches and firmware updates to address CVE-2021-0687 and other known vulnerabilities.