Low: GStreamer, libmad, and SDL security, bug fix, and enhancement update
Summary
ALSA-2020:1631: Low: GStreamer, libmad, and SDL security, bug fix, and enhancement update. Affects SDL2 versions < 2.0.10-2.el8. Fixed in 2.0.10-2.el8. How to fix ↓
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Background
The GStreamer library is a streaming media framework that utilizes graphs of media data filters. It provides a platform-independent API for handling multimedia data. The libmad package is an MPEG audio decoder that supports 24-bit output. It is used for decoding audio files in various formats. Simple DirectMedia Layer (SDL) is a cross-platform multimedia library that offers fast access to the graphics frame buffer and audio device. It is commonly used in video games and multimedia applications.
Vulnerability Detail
The vulnerability identified in this update is a double-free issue in the mad_decoder_run() function of the libmad package. This vulnerability, identified as CVE-2018-7263, can be exploited by an attacker to cause a denial-of-service condition or potentially execute arbitrary code. The double-free vulnerability occurs when the function attempts to free memory that has already been freed, leading to memory corruption and potential exploitation.
How To Fix
Minimum fixed version
2.0.10-2.el8
This is the first release that contains the fix.
sudo dnf update SDL2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, this update addresses a double-free vulnerability in the libmad package, which could potentially lead to a denial-of-service condition or arbitrary code execution. It is recommended to update the affected packages to the fixed versions mentioned in the 'how_to_fix' section. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for SDL2 →
FAQ
This vulnerability can potentially lead to a denial-of-service condition or arbitrary code execution if exploited by an attacker.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and Vulert will provide real-time alerts for open-source vulnerabilities.
No specific workarounds have been mentioned for this vulnerability. It is recommended to update the affected packages to the fixed versions.
There is no specific evidence of active exploitation of this vulnerability mentioned in the provided information.
You can refer to the CVE page for CVE-2018-7263 for more detailed information about this vulnerability.
