CVE-2025-14411

5.5 MEDIUM

📋 TL;DR

This vulnerability in Soda PDF Desktop allows attackers to read memory beyond allocated boundaries when parsing malicious PDF files, potentially disclosing sensitive information. Users who open malicious PDF files or visit malicious websites are affected. The vulnerability requires user interaction to trigger.

💻 Affected Systems

Products:
  • Soda PDF Desktop
Versions: Specific affected versions not specified in advisory
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected Soda PDF Desktop versions are vulnerable by default when processing PDF files.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Information disclosure combined with other vulnerabilities could lead to arbitrary code execution in the current user context, potentially compromising the entire system.

🟠

Likely Case

Sensitive information disclosure from memory, potentially exposing credentials, documents, or system information.

🟢

If Mitigated

Limited information disclosure with no code execution due to proper memory protections and sandboxing.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires user interaction (opening malicious file) and may require chaining with other vulnerabilities for code execution.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific patched version

Vendor Advisory: https://www.zerodayinitiative.com/advisories/ZDI-25-1084/

Restart Required: Yes

Instructions:

1. Open Soda PDF Desktop
2. Navigate to Help > Check for Updates
3. Install available updates
4. Restart the application

🔧 Temporary Workarounds

Disable PDF file association

windows

Prevent Soda PDF from automatically opening PDF files

Control Panel > Default Programs > Set Associations > Change .pdf to another application

Use alternative PDF viewer

windows

Temporarily use a different PDF application until patched

🧯 If You Can't Patch

  • Restrict PDF file opening to trusted sources only
  • Implement application whitelisting to block Soda PDF execution

🔍 How to Verify

Check if Vulnerable:

Check Soda PDF version against vendor advisory for affected versions

Check Version:

Open Soda PDF > Help > About to view version

Verify Fix Applied:

Verify Soda PDF version is updated beyond vulnerable versions listed in advisory

📡 Detection & Monitoring

Log Indicators:

  • Application crashes when opening PDF files
  • Unusual memory access patterns in application logs

Network Indicators:

  • Downloads of PDF files from untrusted sources
  • Network traffic to known malicious domains after PDF opening

SIEM Query:

EventID=1000 OR EventID=1001 AND ProcessName="SodaPDF.exe" AND ExceptionCode=0xC0000005

🔗 References

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