CVE-2022-27530
📋 TL;DR
A buffer overflow vulnerability in Autodesk AutoCAD allows attackers to execute arbitrary code by tricking users into opening malicious TIF or PICT files. This affects AutoCAD 2019-2022 users who process untrusted image files. Successful exploitation could lead to complete system compromise.
💻 Affected Systems
- Autodesk AutoCAD
📦 What is this software?
Advance Steel by Autodesk
Advance Steel by Autodesk
Advance Steel by Autodesk
Advance Steel by Autodesk
Autocad by Autodesk
Autocad by Autodesk
Autocad by Autodesk
Autocad by Autodesk
Autocad by Autodesk
Autocad Lt by Autodesk
Autocad Lt by Autodesk
Autocad Lt by Autodesk
Autocad Lt by Autodesk
Autocad Lt by Autodesk
Autocad Mep by Autodesk
Autocad Mep by Autodesk
Autocad Mep by Autodesk
Autocad Mep by Autodesk
Civil 3d by Autodesk
Civil 3d by Autodesk
Civil 3d by Autodesk
Civil 3d by Autodesk
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with attacker gaining full control of the AutoCAD process and potentially the underlying operating system.
Likely Case
Local privilege escalation or malware installation on the user's workstation when opening malicious files.
If Mitigated
Denial of service or application crash if exploit fails or is blocked by security controls.
🎯 Exploit Status
Exploitation requires user interaction to open malicious files
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Latest updates for affected versions
Vendor Advisory: https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0004
Restart Required: Yes
Instructions:
1. Open AutoCAD. 2. Go to Autodesk Desktop App or AutoCAD's update mechanism. 3. Check for and install available updates. 4. Restart AutoCAD after installation.
🔧 Temporary Workarounds
Block TIF and PICT file extensions
windowsPrevent AutoCAD from processing potentially malicious image files
User awareness training
allTrain users not to open untrusted image files in AutoCAD
🧯 If You Can't Patch
- Restrict AutoCAD to trusted users only and implement least privilege
- Use application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check AutoCAD version against affected versions (2019-2022)Check Version:
In AutoCAD: Type 'ABOUT' command or check Help > About AutoCADVerify Fix Applied:
Verify AutoCAD version is updated to latest release and check for security updates applied📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening image files
- Unusual process creation from AutoCAD
Network Indicators:
- None - local file-based exploit
SIEM Query:
EventID 1000 Application Error with AutoCAD.exe in Windows Application logs