CVE-2021-0558 : Security Advisory and Response
Learn about CVE-2021-0558 impacting Android-11 devices. Discover the out-of-bounds read issue in pvmp3_framedecoder.cpp, its impact, affected systems, and mitigation steps.
Android mobile devices running Android-11 are vulnerable to an out-of-bounds read issue in the fillMainDataBuf function of pvmp3_framedecoder.cpp. This vulnerability may result in remote information disclosure without requiring additional execution privileges, albeit with user interaction for exploitation.
Understanding CVE-2021-0558
This section delves into the key details of the CVE-2021-0558 vulnerability.
What is CVE-2021-0558?
The CVE-2021-0558 vulnerability in Android's pvmp3_framedecoder.cpp allows for potential out-of-bounds read attacks due to a heap buffer overflow. Exploitation could lead to unauthorized access to sensitive information.
The Impact of CVE-2021-0558
The impact of this vulnerability could result in remote information disclosure, compromising user data without the need for additional permissions.
Technical Details of CVE-2021-0558
In this section, we explore the technical specifics of the CVE-2021-0558 vulnerability.
Vulnerability Description
The vulnerability arises from an out-of-bounds read issue in the fillMainDataBuf function of pvmp3_framedecoder.cpp, potentially leading to a heap buffer overflow.
Affected Systems and Versions
Android devices running Android-11 are affected by this vulnerability, putting user data at risk.
Exploitation Mechanism
Exploiting this vulnerability requires user interaction, making it crucial for users to be cautious while interacting with unknown sources.
Mitigation and Prevention
To safeguard systems from CVE-2021-0558, immediate action and long-term security practices are essential.
Immediate Steps to Take
Users are advised to exercise caution while interacting with unknown sources to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing strict security protocols and keeping systems up-to-date with the latest patches are crucial for long-term vulnerability prevention.
Patching and Updates
Regularly updating Android devices and applying official patches are vital to protect against vulnerabilities like CVE-2021-0558.