CVE-2022-34245

7.8 HIGH

📋 TL;DR

Adobe InDesign versions 17.2.1 and earlier (and 16.4.1 and earlier) contain a heap-based buffer overflow vulnerability that could allow attackers to execute arbitrary code on a victim's system. This requires user interaction where someone opens a malicious file. Users running affected versions are at risk of compromise.

💻 Affected Systems

Products:
  • Adobe InDesign
Versions: 17.2.1 and earlier, 16.4.1 and earlier
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default installations of affected versions are vulnerable. No special configuration required for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or lateral movement.

🟠

Likely Case

Local privilege escalation or malware installation when users open malicious InDesign files from untrusted sources.

🟢

If Mitigated

No impact if users avoid opening untrusted files or if the application is patched.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires user interaction (opening malicious file). No public exploit code is known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 17.3 and 16.4.2

Vendor Advisory: https://helpx.adobe.com/security/products/indesign/apsb22-30.html

Restart Required: Yes

Instructions:

1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' tab. 3. Find Adobe InDesign and click 'Update'. 4. Follow prompts to install latest version. 5. Restart computer after installation.

🔧 Temporary Workarounds

Restrict file opening

all

Configure application control policies to prevent opening of untrusted InDesign files

User awareness training

all

Train users to only open InDesign files from trusted sources

🧯 If You Can't Patch

  • Implement application whitelisting to block InDesign execution
  • Use network segmentation to isolate systems running vulnerable versions

🔍 How to Verify

Check if Vulnerable:

Check InDesign version via Help > About InDesign menu

Check Version:

On Windows: wmic product where name="Adobe InDesign" get version

Verify Fix Applied:

Verify version is 17.3 or higher (for 17.x) or 16.4.2 or higher (for 16.x)

📡 Detection & Monitoring

Log Indicators:

  • Application crashes of InDesign.exe
  • Unusual file access patterns from InDesign process

Network Indicators:

  • Outbound connections from InDesign process to unknown IPs

SIEM Query:

process_name:"InDesign.exe" AND (event_type:"process_crash" OR file_path:"*.indd")

🔗 References

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