Buffer Overflow Vulnerability in libsndfile: CVE-2017-7585
Summary
ALPINE-CVE-2017-7585: In libsndfile before 1.0.28, an error in the "flac_buffer_copy()" function (flac.c) can be exploited to cause a stack-based buffer overflow via a specially crafted FLAC file. Affects libsndfile versions < 1.0.28-r0. Fixed in 1.0.28-r0. How to fix ↓
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Background
libsndfile is a widely used library for reading and writing audio files in various formats. It provides a simple API for developers to handle audio data efficiently. However, prior to version 1.0.28, libsndfile contained a critical vulnerability that could lead to severe security issues if exploited.
Vulnerability Detail
The vulnerability, identified as CVE-2017-7585, originates from an error in the 'flac_buffer_copy()' function within the flac.c file of libsndfile. This flaw can be exploited to cause a stack-based buffer overflow when processing specially crafted FLAC files. The ramifications of this vulnerability include potential arbitrary code execution, leading to system compromise or data corruption.
How To Fix
Minimum fixed version
1.0.28-r0
This is the first release that contains the fix.
sudo apk add --upgrade libsndfileTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, avoid processing untrusted FLAC files until the library is updated. Implement strict validation checks on audio files before processing them to mitigate the risk of exploitation.
Conclusion
CVE-2017-7585 represents a significant security risk for applications utilizing libsndfile prior to version 1.0.28. It is crucial to update the library to the patched version to safeguard against potential exploits. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for libsndfile →
FAQ
CVE-2017-7585 is a vulnerability in the libsndfile library that allows for a stack-based buffer overflow when handling specially crafted FLAC files.
You can use the Vulert platform to check if your application is affected by this vulnerability. Simply upload your manifest file like package-lock.json to monitor for vulnerabilities.
Exploitation of this vulnerability could lead to arbitrary code execution, allowing attackers to compromise the system or corrupt data.
Yes, the vulnerability has been patched in version 1.0.28-r0 of libsndfile. It is recommended to update to this version or later.
If immediate updates are not possible, avoid processing untrusted FLAC files and implement validation checks to reduce the risk of exploitation.
References
Related vulnerabilities
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