CVE-2021-0967 : Vulnerability Insights and Analysis
Learn about CVE-2021-0967, a vulnerability in Android that could allow remote information disclosure without additional privileges. Find out the impact, affected systems, and mitigation steps.
A vulnerability in the vorbis_book_decodev_set function of Android could allow for a potential out-of-bounds write, leading to remote information disclosure. This could be exploited without the need for additional execution privileges, requiring user interaction for the attack.
Understanding CVE-2021-0967
This section dives into the details of CVE-2021-0967.
What is CVE-2021-0967?
The vulnerability exists in the vorbis_book_decodev_set function of Android, where a missing bounds check can result in an out-of-bounds write. This flaw could enable an attacker to disclose remote information with no additional execution privileges required.
The Impact of CVE-2021-0967
The impact of this vulnerability is the potential for remote information disclosure, which could compromise the confidentiality of sensitive data on affected systems.
Technical Details of CVE-2021-0967
This section provides technical insights into CVE-2021-0967.
Vulnerability Description
The vulnerability originates from a missing bounds check in the vorbis_book_decodev_set function of Android, leading to the possibility of an out-of-bounds write.
Affected Systems and Versions
The vulnerability affects various versions of Android, including Android-10, Android-11, Android-12, and Android-9.
Exploitation Mechanism
To exploit this vulnerability, an attacker would need to interact with a user to trigger the out-of-bounds write, which could then lead to remote information disclosure.
Mitigation and Prevention
This section outlines the mitigation strategies and preventive measures for CVE-2021-0967.
Immediate Steps to Take
Users and administrators are advised to apply security patches provided by Android to address this vulnerability promptly.
Long-Term Security Practices
Implementing robust security practices, such as regular system updates and user awareness training, can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security bulletins and updates from Android to stay protected against emerging threats.