CVE-2022-25023 – CVE-2022-25023 is a heap-buffer overflow vulner... (How to Fix)

Q: What is the severity of CVE-2022-25023?

CVE-2022-25023 has a CVSS score of 8.8 (HIGH). CVE-2022-25023 is a heap-buffer overflow vulnerability in the AudioFile library's fouBytesToInt() function. Attackers can exploit this to execute arbitrary code or crash applications by providing specially crafted audio files. Any software using vulnerable versions of the AudioFile library is affected.

📋 TL;DR

CVE-2022-25023 is a heap-buffer overflow vulnerability in the AudioFile library's fouBytesToInt() function. Attackers can exploit this to execute arbitrary code or crash applications by providing specially crafted audio files. Any software using vulnerable versions of the AudioFile library is affected.

💻 Affected Systems

Products:

AudioFile library
Applications using AudioFile library

Versions: Versions before commit 004065d (specifically commit 004065d introduced the vulnerability)

Operating Systems: All platforms where AudioFile is used

Default Config Vulnerable: ⚠️ Yes

Notes: The vulnerability exists in the library itself, so any application linking against vulnerable versions is affected regardless of configuration.

📦 What is this software?

Audio File by Audio File Project

View all CVEs affecting Audio File →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Application crashes (denial of service) when processing malicious audio files.

🟢

If Mitigated

Limited impact with proper input validation and memory protections enabled.

🌐 Internet-Facing: MEDIUM - Requires user interaction to open malicious files, but web applications processing audio uploads could be vulnerable.

🏢 Internal Only: LOW - Typically requires local file access or user interaction with malicious files.

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires the target to process a malicious audio file. Proof-of-concept exists in GitHub issues.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after commit 004065d (the fix was implemented in subsequent commits)

Vendor Advisory: https://github.com/adamstark/AudioFile/issues/58

Restart Required: Yes

Instructions:

1. Update AudioFile library to latest version. 2. Recompile applications using the library. 3. Restart affected services.

🔧 Temporary Workarounds

Input validation

all

Implement strict validation of audio file inputs before processing

Memory protection

linux

Enable ASLR and DEP/stack protection on systems

sysctl -w kernel.randomize_va_space=2

🧯 If You Can't Patch

Restrict audio file uploads to trusted sources only
Isolate audio processing services in containers or sandboxes

🔍 How to Verify

Check if Vulnerable:

Check if applications link against AudioFile library versions before the fix commit

Check Version:

Check library version in source code or build configuration

Verify Fix Applied:

Verify AudioFile library version is updated and applications are recompiled with fixed version

📡 Detection & Monitoring

Log Indicators:

Application crashes when processing audio files
Memory access violation errors

Network Indicators:

Unusual audio file uploads to web applications

SIEM Query:

search 'audiofile' AND (crash OR segmentation fault OR buffer overflow)

📊 Metadata

CVE ID: CVE-2022-25023

CVSS v3 Score: 8.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-787

Published: February 28, 2022

Last Updated: November 21, 2024

🔗 References

https://github.com/adamstark/AudioFile/issues/58 Exploit,Issue Tracking,Patch,Third Party Advisory
https://github.com/adamstark/AudioFile/issues/58 Exploit,Issue Tracking,Patch,Third Party Advisory

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🔗 Related Vulnerabilities

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