Integer Overflow Vulnerability in FFmpeg: Potential Crashes Due to Insufficient Parameter Validation
Summary
DEBIAN-CVE-2024-35369: In FFmpeg version n6.1.1, specifically within the avcodec/speexdec.c module, a potential security vulnerability exists due to insufficient validation of certain parameters when parsing Speex codec extradata. Affects ffmpeg versions < 7:7.0.1-3. Fixed in 7:7.0.1-3. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
FFmpeg is a widely used open-source software suite for handling multimedia data, including audio and video processing. It provides libraries and programs for encoding, decoding, transcoding, muxing, demuxing, streaming, filtering, and playing almost anything that humans and machines have created. The package is known for its versatility and efficiency in multimedia handling. However, it is susceptible to vulnerabilities that can compromise its functionality and security, such as the one identified in this report.
Vulnerability Detail
In FFmpeg version n6.1.1, a security vulnerability exists within the avcodec/speexdec.c module due to insufficient validation of parameters when parsing Speex codec extradata. This flaw can lead to integer overflow conditions, which may result in undefined behavior or crashes during the decoding process. The vulnerability is critical as it can be exploited by malicious input, potentially allowing attackers to disrupt service or execute arbitrary code.
How To Fix
Minimum fixed version
7:7.0.1-3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade ffmpegTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid using the Speex codec until the package is updated. This can help mitigate the risk of exploitation until the vulnerability is patched.
Conclusion
The identified integer overflow vulnerability in FFmpeg poses a significant risk due to its potential to cause crashes and undefined behavior. Users are strongly encouraged to update to the patched version 7:7.0.1-3 to mitigate this risk. Until the update can be applied, avoiding the use of the Speex codec is recommended.
See every vulnerability recorded for ffmpeg →
FAQ
The vulnerability is an integer overflow issue caused by insufficient validation of parameters when parsing Speex codec extradata.
Exploitation of this vulnerability can lead to undefined behavior or crashes during the decoding process, potentially allowing attackers to disrupt service.
Yes, the patched version of FFmpeg is 7:7.0.1-3. Users are advised to update to this version.
As a temporary measure, avoid using the Speex codec until you can update to the patched version.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
References
Related vulnerabilities
Recent vulnerabilities recorded for ffmpeg.
