CVE-2022-50922: Audio Conversion Wizard RCE Vulnerability

CVE-2022-50922 Overview

Audio Conversion Wizard v2.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting memory with a specially crafted registration code. Attackers can generate a payload that overwrites the application's memory stack, potentially enabling remote code execution through a carefully constructed input buffer.

Critical Impact

This buffer overflow vulnerability (CWE-120) enables attackers to achieve arbitrary code execution by exploiting improper bounds checking in the registration code input field, potentially leading to full system compromise.

Affected Products

• Audio Conversion Wizard v2.01
• Litex Media Audio Wizard products

Discovery Timeline

• 2026-01-13 - CVE CVE-2022-50922 published to NVD
• 2026-01-13 - Last updated in NVD database

Technical Details for CVE-2022-50922

Vulnerability Analysis

This vulnerability is classified as CWE-120 (Buffer Copy without Checking Size of Input), commonly known as a classic buffer overflow. The flaw resides in how Audio Conversion Wizard v2.01 processes registration codes entered by users. The application fails to properly validate the length of user-supplied input before copying it into a fixed-size buffer on the stack.

When a specially crafted registration code exceeding the expected buffer size is provided, the excess data overwrites adjacent memory on the stack, including critical control structures such as the saved return address. An attacker can leverage this to redirect program execution to arbitrary code, achieving code execution in the context of the application.

The local attack vector indicates that exploitation requires the attacker to either have local access to the system or convince a user to enter a malicious registration code. Given that no privileges are required and user interaction is minimal, the vulnerability presents a significant risk in scenarios where users might receive malicious registration codes through social engineering or other distribution methods.

Root Cause

The root cause of this vulnerability is the absence of proper input validation and bounds checking when processing registration code input. The application uses unsafe string copying operations that do not verify the input length against the destination buffer size. This allows an attacker to supply an oversized input string that exceeds the allocated buffer space, resulting in a classic stack-based buffer overflow condition.

Attack Vector

The attack is executed locally by providing a maliciously crafted registration code to Audio Conversion Wizard v2.01. The attacker constructs a payload that includes carefully positioned shellcode or return-oriented programming (ROP) gadgets, followed by an overwritten return address pointing to the malicious code. When the vulnerable function returns, execution flow is hijacked to the attacker's payload.

Exploitation details are publicly documented in security research databases. For technical analysis of the exploitation technique, refer to the Exploit-DB #50811 entry and the VulnCheck Advisory on Buffer Overflow.

Detection Methods for CVE-2022-50922

Indicators of Compromise

• Unusual crashes or unexpected termination of Audio Conversion Wizard application
• Suspicious processes spawned as child processes of Audio Conversion Wizard
• Registry or file system modifications occurring immediately after registration code entry attempts
• Memory access violation events logged in Windows Event Viewer related to the application

Detection Strategies

• Monitor application crash dumps for stack-based buffer overflow patterns affecting Audio Conversion Wizard processes
• Deploy endpoint detection rules to identify shellcode execution patterns following Audio Conversion Wizard process activity
• Implement application whitelisting to prevent unauthorized code execution from within the application's context
• Use Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) monitoring to detect bypass attempts

Monitoring Recommendations

• Enable Windows Error Reporting to capture crash telemetry for Audio Conversion Wizard
• Configure SIEM alerts for multiple crash events from the same application binary
• Monitor process creation events for suspicious child processes spawned by Audio Conversion Wizard
• Review audit logs for registration or licensing activities on systems with the vulnerable application installed

How to Mitigate CVE-2022-50922

Immediate Actions Required

• Remove or disable Audio Conversion Wizard v2.01 from systems until a patched version is available
• Do not accept registration codes from untrusted sources
• Consider migrating to alternative audio conversion software that is actively maintained with security updates
• Apply system-level exploit mitigations such as DEP and ASLR if continuing to use the application is necessary

Patch Information

No official patch information is currently available from the vendor. Users should check the Litex Media official product page for any security updates or newer versions that may address this vulnerability. Until a patch is released, the software should be considered vulnerable.

Workarounds

• Uninstall Audio Conversion Wizard v2.01 from production and sensitive systems
• If the application must be used, run it in an isolated virtual machine or sandbox environment
• Implement strict network segmentation to limit the impact of potential compromise
• Use application control solutions to restrict execution of the vulnerable binary
• Enable exploit protection features in endpoint security solutions targeting buffer overflow attacks