Stack Buffer Overflow Vulnerability in Musescore3: Risk of Arbitrary Code Execution
Summary
DEBIAN-CVE-2023-26923: Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. Affects musescore3 versions < 3.2.3+dfsg2-18. Fixed in 3.2.3+dfsg2-18. How to fix ↓
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Background
Musescore3 is a popular open-source music notation software that allows users to create, play, and print sheet music. It supports a variety of file formats and provides advanced features for musicians and composers. However, versions 3.0 to 4.0.1 of Musescore3 are susceptible to a stack buffer overflow vulnerability when processing misconfigured MIDI files, which can lead to severe security risks.
Vulnerability Detail
The vulnerability arises from improper handling of MIDI files, which can be exploited by an attacker to cause a stack buffer overflow. This flaw allows the attacker to execute arbitrary code on the affected system, potentially leading to unauthorized access, data corruption, or system compromise. The issue is particularly critical as it affects a widely used application in the music community, making it a prime target for exploitation.
How To Fix
Minimum fixed version
3.2.3+dfsg2-18
This is the first release that contains the fix.
sudo apt-get install --only-upgrade musescore3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can avoid opening MIDI files from untrusted sources or ensure that MIDI files are properly configured before use. This can help mitigate the risk of exploitation until the software is updated.
Conclusion
The stack buffer overflow vulnerability in Musescore3 poses a significant risk to users, allowing for potential arbitrary code execution through misconfigured MIDI files. It is crucial for users to update to the latest patched version to safeguard their systems and data.
See every vulnerability recorded for musescore3 →
FAQ
A stack buffer overflow occurs when a program writes more data to a buffer located on the stack than it can hold, which can overwrite adjacent memory and lead to unpredictable behavior or security vulnerabilities.
If you are using Musescore3 versions between 3.0 and 4.0.1, your installation is vulnerable. Check your version by opening the application and navigating to the 'About' section.
If an immediate update is not possible, refrain from opening MIDI files from unknown or untrusted sources to minimize the risk of exploitation.
Yes, you can use tools like Vulert, which monitors open-source vulnerabilities in your software by analyzing a manifest file like package-lock.json. You can check for vulnerabilities in your application using the Vulert playground without needing to sign up.
Failing to address this vulnerability can lead to unauthorized code execution, data loss, or compromise of the system, putting both the user and their data at risk.
References
Related vulnerabilities
Recent vulnerabilities recorded for musescore3.
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