CVE-2022-27872

7.8 HIGH

📋 TL;DR

This vulnerability in Autodesk Navisworks 2022 allows attackers to craft malicious PDF files that cause pointer dereference issues during parsing, potentially leading to crashes, sensitive data exposure, or arbitrary code execution. Users of Autodesk Navisworks 2022 who open untrusted PDF files are affected.

💻 Affected Systems

Products:
  • Autodesk Navisworks
Versions: 2022 versions prior to the security update
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability requires user interaction to open a malicious PDF file

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with SYSTEM/administrator privileges leading to complete system compromise

🟠

Likely Case

Application crash or denial of service with potential information disclosure

🟢

If Mitigated

Limited impact with proper patching and user awareness about opening untrusted files

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction to open malicious PDF; no public exploit code available

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2022.2.1 or later

Vendor Advisory: https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0011

Restart Required: Yes

Instructions:

1. Open Autodesk Navisworks 2022. 2. Navigate to Help > About. 3. Check version is 2022.2.1 or higher. 4. If not, download and install the latest update from Autodesk Account portal or through the Autodesk Desktop App.

🔧 Temporary Workarounds

Restrict PDF file handling

windows

Configure Navisworks to not automatically open PDF files or restrict PDF file handling through external applications

User awareness training

all

Train users to only open PDF files from trusted sources and verify file integrity

🧯 If You Can't Patch

  • Implement application whitelisting to prevent execution of malicious code
  • Use network segmentation to isolate Navisworks systems from critical assets

🔍 How to Verify

Check if Vulnerable:

Check Navisworks version: Open Navisworks > Help > About. If version is earlier than 2022.2.1, system is vulnerable.

Check Version:

Not applicable - check through GUI Help > About menu

Verify Fix Applied:

Verify version is 2022.2.1 or later in Help > About dialog

📡 Detection & Monitoring

Log Indicators:

  • Application crash logs from Navisworks
  • Windows Event Logs showing application failures

Network Indicators:

  • Unusual PDF file transfers to Navisworks users
  • Outbound connections from Navisworks process post-PDF opening

SIEM Query:

EventID=1000 OR EventID=1001 AND ProcessName="*navisworks*" AND ExceptionCode="0xc0000005"

🔗 References

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