Index-out-of-bounds in iaace_calc_sfb_dist in libxaac
Summary
OSV-2023-1179: Index-out-of-bounds in iaace_calc_sfb_dist. Affects libxaac versions >= 695799b8b696425a0c1afbc829a4b8da3bdd315e, < 9b18e51b8af534af96557fd665497e948d494178. Fixed in 9b18e51b8af534af96557fd665497e948d494178. How to fix ↓
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Background
libxaac is an open-source library that provides encoding and decoding functionality for the Advanced Audio Coding (AAC) format. It is widely used in various applications for audio processing. However, a vulnerability has been discovered in the library that can lead to an index-out-of-bounds error.
Vulnerability Detail
The vulnerability in libxaac occurs in the function iaace_calc_sfb_dist. This function is responsible for calculating the signal-to-noise ratio (SNR) for each scale factor band (SFB) in the audio data. Due to a coding error, an index-out-of-bounds condition can occur, leading to a crash. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause a denial-of-service (DoS) condition.
How To Fix
Minimum fixed version
9b18e51b8af534af96557fd665497e948d494178
This is the first release that contains the fix.
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Workaround
If updating libxaac is not immediately feasible, a possible workaround is to implement input validation checks to ensure that the audio data does not trigger the index-out-of-bounds condition. This can be done by verifying the size of the input data and ensuring that it falls within the expected range.
Conclusion
In conclusion, libxaac is vulnerable to an index-out-of-bounds error in the iaace_calc_sfb_dist function. This vulnerability can be mitigated by updating to the latest version of libxaac or implementing input validation checks. For further assistance or support in addressing this vulnerability, please contact DevNack.com.
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FAQ
libxaac is an open-source library for encoding and decoding Advanced Audio Coding (AAC) format audio data. It is commonly used in applications that require audio processing.
An index-out-of-bounds error occurs when a program tries to access an element of an array or a collection using an index that is outside the valid range. In this case, it leads to a crash in the iaace_calc_sfb_dist function.
This vulnerability can be exploited by an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition. It is important to update libxaac to prevent any potential security risks.
To update libxaac, you can fetch the latest version from the GitHub repository (https://github.com/ittiam-systems/libxaac) and follow the installation instructions provided. Make sure to use a version that includes the fix for the index-out-of-bounds vulnerability.
If updating libxaac immediately is not feasible, you can implement input validation checks in your application to prevent triggering the index-out-of-bounds condition. Ensure that the size of the input audio data is within the expected range.
References
Related vulnerabilities
Recent vulnerabilities recorded for libxaac.
