CVE-2021-0379 : Exploit Details and Defense Strategies

This article provides insights into CVE-2021-0379, focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2021-0379

CVE-2021-0379 is a vulnerability found in the getUpTo17bits of pvmp3_getbits.cpp in Android-11, which could result in remote information disclosure without the need for additional execution privileges.

What is CVE-2021-0379?

The vulnerability in getUpTo17bits of pvmp3_getbits.cpp could trigger a heap buffer overflow, potentially leading to out-of-bounds read and remote information disclosure.

The Impact of CVE-2021-0379

The security flaw can be exploited with user interaction, allowing attackers to access sensitive information remotely. It affects Android-11 devices.

Technical Details of CVE-2021-0379

The following technical aspects are associated with CVE-2021-0379:

Vulnerability Description

In getUpTo17bits of pvmp3_getbits.cpp, a heap buffer overflow may result in an out-of-bounds read, enabling remote information disclosure.

Affected Systems and Versions

The vulnerability affects Android-11 devices, potentially exposing sensitive information to threat actors.

Exploitation Mechanism

Exploitation requires user interaction, allowing malicious actors to leverage the heap buffer overflow to disclose remote information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-0379, consider the following strategies:

Immediate Steps to Take

Users should exercise caution while interacting with unknown sources and promptly install security patches released by Google for Android-11.

Long-Term Security Practices

Implementing secure coding practices and conducting regular security audits can enhance the overall defense against vulnerabilities like CVE-2021-0379.

Patching and Updates

Stay up to date with security advisories and promptly apply patches provided by Google to address vulnerabilities and maintain a secure environment.