CVE-2023-27754
📋 TL;DR
CVE-2023-27754 is a stack buffer overflow vulnerability in vox2mesh 1.0 caused by improper use of memcpy() function. Attackers can exploit this by providing a specially crafted file to cause denial of service (program crash). Users running vox2mesh 1.0 are affected.
💻 Affected Systems
- vox2mesh
📦 What is this software?
Vox2mesh by Vox2mesh Project
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution if the overflow can be controlled to execute arbitrary code, though the current description only mentions denial of service.
Likely Case
Denial of service causing the vox2mesh application to crash when processing malicious files.
If Mitigated
No impact if the vulnerable software is not used or if input validation prevents malicious files.
🎯 Exploit Status
Proof of concept code is publicly available, making exploitation straightforward for attackers with access to malicious files.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
No official patch available. Consider workarounds or alternative software.
🔧 Temporary Workarounds
Input Validation
allImplement strict input validation to reject files that could trigger the overflow
Memory Protection
allEnable stack protection mechanisms like ASLR and DEP if supported by the operating system
🧯 If You Can't Patch
- Restrict file processing to trusted sources only
- Monitor for abnormal application crashes and investigate any suspicious files
🔍 How to Verify
Check if Vulnerable:
Check if vox2mesh version 1.0 is installed on the systemCheck Version:
Check application documentation or run vox2mesh with version flag if availableVerify Fix Applied:
Verify that vox2mesh is no longer version 1.0 or has been removed📡 Detection & Monitoring
Log Indicators:
- Application crash logs from vox2mesh
- Segmentation fault or abort messages
Network Indicators:
- Unusual file uploads to systems running vox2mesh
SIEM Query:
Search for process termination events related to vox2mesh or segmentation faults