Denial-of-Service Vulnerability in Gerbv Package
Summary
DEBIAN-CVE-2023-4508: A user able to control file input to Gerbv, between versions 2.4.0 and 2.10.0, can cause a crash and cause denial-of-service with a specially crafted Gerber RS-274X file. Affects gerbv versions < 2.10.0-1. Fixed in 2.10.0-1. How to fix ↓
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Background
Gerbv is an open-source Gerber file viewer that allows users to visualize and analyze Gerber files used in PCB design. It is widely utilized in the electronics industry for inspecting printed circuit board layouts. The package is designed to handle various file formats and provides features for layer management and measurement. However, certain versions of Gerbv are vulnerable to a denial-of-service attack due to improper handling of specially crafted Gerber RS-274X files.
Vulnerability Detail
The vulnerability identified as DEBIAN-CVE-2023-4508 affects Gerbv versions between 2.4.0 and 2.10.0. A user who can control file input to Gerbv can exploit this vulnerability by providing a specially crafted Gerber RS-274X file, which can lead to a crash of the application. This results in a denial-of-service condition, preventing legitimate users from utilizing the software effectively. The issue arises from inadequate validation of file inputs, allowing malicious files to disrupt the application's normal operation.
How To Fix
Minimum fixed version
2.10.0-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade gerbvTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid opening untrusted or unknown Gerber RS-274X files until the package is updated to a secure version. Additionally, users can implement file validation checks before processing files with Gerbv.
Conclusion
The denial-of-service vulnerability in the Gerbv package poses a significant risk to users who may inadvertently open malicious files. It is crucial to update to the latest version to mitigate this risk and ensure the application's reliability. Users are encouraged to remain vigilant and utilize tools like Vulert for real-time monitoring of open-source vulnerabilities.
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FAQ
The vulnerability allows a denial-of-service attack through specially crafted Gerber RS-274X files that can crash the application.
Gerbv versions between 2.4.0 and 2.10.0 are affected by this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
As a temporary measure, avoid opening untrusted Gerber files and implement file validation checks.
More details can be found in the official Debian CVE database at https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4508.json.
References
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