CVE-2021-34185 : What You Need to Know

Miniaudio 0.10.35 has an integer-based buffer overflow vulnerability due to an out-of-bounds left shift in drwav_bytes_to_u32 function in miniaudio.h.

Understanding CVE-2021-34185

This CVE record details a critical security issue found in Miniaudio version 0.10.35.

What is CVE-2021-34185?

CVE-2021-34185 involves an integer-based buffer overflow triggered by an out-of-bounds left shift in the specified function.

The Impact of CVE-2021-34185

This vulnerability could potentially allow an attacker to execute arbitrary code or crash the application, leading to a denial of service (DoS) condition.

Technical Details of CVE-2021-34185

Below are the technical specifics of CVE-2021-34185:

Vulnerability Description

The vulnerability lies in the improper handling of left shifts within the drwav_bytes_to_u32 function in miniaudio.h, resulting in a buffer overflow.

Affected Systems and Versions

Miniaudio version 0.10.35 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

An attacker can exploit this flaw by crafting a malicious audio file or input that triggers the out-of-bounds left shift operation, potentially leading to a buffer overflow.

Mitigation and Prevention

To secure your systems against CVE-2021-34185, consider the following mitigation strategies:

Immediate Steps to Take

Disable or restrict access to applications that rely on the vulnerable Miniaudio library.
Monitor network traffic for any signs of exploitation attempts.

Long-Term Security Practices

Stay updated on security advisories released by the Miniaudio project.
Implement code reviews and secure coding practices within your software development workflows.

Patching and Updates

Check for patches or updates provided by Miniaudio to address this specific vulnerability and apply them promptly to secure your systems.