CVE-2021-0646 Explained : Impact and Mitigation
Learn about CVE-2021-0646 impacting Android systems. Find out the impact, technical details, affected versions, and mitigation steps for this out-of-bounds write vulnerability.
A detailed overview of CVE-2021-0646 impacting Android systems.
Understanding CVE-2021-0646
This CVE involves a possible out-of-bounds write vulnerability in sqlite3_str_vappendf of sqlite3.c, affecting various versions of Android.
What is CVE-2021-0646?
The vulnerability in sqlite3_str_vappendf could be exploited to locally escalate privileges if an attacker injects malicious input into a privileged SQL process.
The Impact of CVE-2021-0646
Successful exploitation may lead to elevation of privilege without requiring user interaction, posing a risk to the security of Android devices.
Technical Details of CVE-2021-0646
Exploring the specifics of the vulnerability within Android systems.
Vulnerability Description
Improper input validation in sqlite3_str_vappendf allows for a potential out-of-bounds write, creating a security risk for impacted versions of Android.
Affected Systems and Versions
Android versions 9, 10, 11, and 8.1 are affected by this vulnerability, potentially leaving a wide range of devices at risk.
Exploitation Mechanism
Attackers could leverage this vulnerability to perform local privilege escalation by injecting malicious input into a privileged SQL process.
Mitigation and Prevention
Guidelines for addressing and safeguarding against CVE-2021-0646.
Immediate Steps to Take
Users are advised to apply security patches and updates provided by Android to mitigate the risks associated with this vulnerability.
Long-Term Security Practices
Regularly updating Android devices, utilizing security software, and practicing safe browsing habits can enhance overall cybersecurity posture.
Patching and Updates
Remaining vigilant about security advisories and promptly installing patches from trusted sources is essential in protecting Android devices from potential threats.