CVE-2025-61837

7.8 HIGH

📋 TL;DR

Format Plugins versions 1.1.1 and earlier contain a heap-based buffer overflow vulnerability that allows attackers to execute arbitrary code when a user opens a malicious file. This affects users of Adobe Format Plugins who process untrusted files. Successful exploitation requires user interaction but could lead to full system compromise.

💻 Affected Systems

Products:
  • Adobe Format Plugins
Versions: 1.1.1 and earlier
Operating Systems: Windows, macOS, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable when processing malicious files through the plugins.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system takeover with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.

🟠

Likely Case

Malicious code execution leading to credential theft, data exfiltration, or installation of additional malware on the affected system.

🟢

If Mitigated

Limited impact due to proper file validation, user awareness training, and restricted user privileges preventing system-wide compromise.

🌐 Internet-Facing: LOW with brief explanation
🏢 Internal Only: MEDIUM with brief explanation

🎯 Exploit Status

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

Exploitation requires user interaction (opening malicious file) and knowledge of heap manipulation techniques.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.1.2 or later

Vendor Advisory: https://helpx.adobe.com/security/products/formatplugins/apsb25-114.html

Restart Required: Yes

Instructions:

1. Visit Adobe Security Bulletin APSB25-114. 2. Download Format Plugins version 1.1.2 or later. 3. Install the update following Adobe's instructions. 4. Restart any applications using Format Plugins.

🔧 Temporary Workarounds

Disable Format Plugins

all

Temporarily disable or remove Format Plugins until patching is possible

Consult Adobe documentation for plugin disablement procedures

Restrict File Processing

all

Configure applications to not use Format Plugins for untrusted file types

Configure application security settings to limit plugin usage

🧯 If You Can't Patch

  • Implement application whitelisting to prevent execution of unauthorized code
  • Restrict user privileges to standard user accounts (not administrator)

🔍 How to Verify

Check if Vulnerable:

Check Format Plugins version in application settings or plugin manager. If version is 1.1.1 or earlier, system is vulnerable.

Check Version:

Check through host application's plugin management interface or consult Adobe documentation

Verify Fix Applied:

Verify Format Plugins version is 1.1.2 or later in application settings or plugin manager.

📡 Detection & Monitoring

Log Indicators:

  • Application crashes when processing files
  • Unusual process creation from plugin host applications
  • Memory access violation errors

Network Indicators:

  • Outbound connections from plugin host applications to unknown destinations
  • Unusual file downloads preceding plugin usage

SIEM Query:

Process creation from plugin host applications with suspicious command-line arguments OR Application crash events from software using Format Plugins

🔗 References

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