CVE-2024-47421
📋 TL;DR
Adobe Framemaker has an out-of-bounds read vulnerability when parsing malicious files, which could allow attackers to execute arbitrary code as the current user. This affects users of Adobe Framemaker versions 2020.6, 2022.4 and earlier who open untrusted files. Successful exploitation requires user interaction through opening a crafted malicious file.
💻 Affected Systems
- Adobe Framemaker
📦 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
Limited code execution in user context leading to document/data theft, credential harvesting, or installation of additional malware.
If Mitigated
No impact if users don't open untrusted files and proper application controls are in place.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and crafting a file that triggers the out-of-bounds read to achieve code execution.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to Framemaker 2020.7 or 2022.5
Vendor Advisory: https://helpx.adobe.com/security/products/framemaker/apsb24-82.html
Restart Required: Yes
Instructions:
1. Open Adobe Framemaker. 2. Go to Help > Check for Updates. 3. Follow prompts to install available updates. 4. Restart Framemaker after installation completes.
🔧 Temporary Workarounds
Restrict file opening
allConfigure application control policies to prevent opening of untrusted .fm files
User awareness training
allTrain users to only open files from trusted sources
🧯 If You Can't Patch
- Implement application control policies to block execution of vulnerable Framemaker versions
- Use email/web gateways to block .fm file attachments and downloads
🔍 How to Verify
Check if Vulnerable:
Check Framemaker version via Help > About Adobe Framemaker. If version is 2020.6, 2022.4 or earlier, system is vulnerable.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Framemaker\Version. On macOS: Check /Applications/Adobe Framemaker/Contents/Info.plistVerify Fix Applied:
Verify version is 2020.7 or 2022.5 or later via Help > About Adobe Framemaker.📡 Detection & Monitoring
Log Indicators:
- Process creation events for Framemaker with suspicious parent processes
- Application crash logs from Framemaker
Network Indicators:
- Outbound connections from Framemaker process to unknown IPs
SIEM Query:
process_name:"framemaker.exe" AND (parent_process_name NOT IN ("explorer.exe", "cmd.exe") OR command_line CONTAINS ".fm")