CVE-2021-40827 : Vulnerability Insights and Analysis

Clementine Music Player through 1.3.1 is vulnerable to a Read Access Violation on Block Data Move, potentially leading to a crash or arbitrary code execution.

Understanding CVE-2021-40827

Clementine Music Player is susceptible to a specific vulnerability that could be exploited by attackers.

What is CVE-2021-40827?

This CVE refers to a vulnerability in Clementine Music Player where a Read Access Violation can occur on Block Data Move, affecting MP3 file parsing.

The Impact of CVE-2021-40827

Exploiting this vulnerability could result in a crash (DoS) of the clementine.exe process or enable attackers to execute arbitrary code.

Technical Details of CVE-2021-40827

Clementine Music Player's vulnerability is described in detail below.

Vulnerability Description

The vulnerability arises when a GLib 2.0.0 DLL is used, triggering a Read Access Violation on Block Data Move during MP3 file parsing at memcpy+0x265.

Affected Systems and Versions

Product: Clementine Music Player
Versions: up to 1.3.1
Vendor: N/A

Exploitation Mechanism

The vulnerability is exploited when a user opens a specifically crafted MP3 file or loads a mishandled remote stream URL in Clementine.

Mitigation and Prevention

To address CVE-2021-40827, follow the mitigation and prevention steps below.

Immediate Steps to Take

Avoid opening untrusted MP3 files or loading remote stream URLs in Clementine.
Implement security updates or patches provided by the vendor.

Long-Term Security Practices

Regularly update Clementine Music Player to the latest version to address security vulnerabilities.
Utilize endpoint protection solutions to detect and prevent such attacks.

Patching and Updates

Ensure to apply vendor-supplied patches or updates promptly to mitigate the vulnerability.