CVE-2020-9635
📋 TL;DR
Adobe Framemaker versions 2019.0.5 and below contain an out-of-bounds write vulnerability that could allow attackers to execute arbitrary code on affected systems. This affects users running vulnerable versions of Adobe Framemaker on any operating system. Successful exploitation requires the victim to open a specially crafted document.
💻 Affected Systems
- Adobe Framemaker
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining complete control over the victim's computer, enabling data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Arbitrary code execution with the privileges of the current user, potentially leading to malware installation, data exfiltration, or system disruption.
If Mitigated
Limited impact if proper application sandboxing, least privilege principles, and network segmentation are implemented, though document processing functionality would still be disrupted.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious document). No public exploit code was available at the time of the advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2019.0.6
Vendor Advisory: https://helpx.adobe.com/security/products/framemaker/apsb20-32.html
Restart Required: Yes
Instructions:
1. Open Adobe Framemaker. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 2019.0.6 or later. 4. Restart the application after installation completes.
🔧 Temporary Workarounds
Document Source Restriction
allRestrict opening of untrusted Framemaker documents by implementing application control policies or user training.
Application Sandboxing
allRun Framemaker in a sandboxed environment or virtual machine to limit potential damage from exploitation.
🧯 If You Can't Patch
- Discontinue use of Adobe Framemaker for processing untrusted documents until patching is possible.
- Implement network segmentation to isolate systems running vulnerable Framemaker versions from critical network resources.
🔍 How to Verify
Check if Vulnerable:
Check Adobe Framemaker version via Help > About Adobe Framemaker. If version is 2019.0.5 or below, the system is vulnerable.Check Version:
Not applicable - check via application GUI on Windows/macOSVerify Fix Applied:
Verify version is 2019.0.6 or higher via Help > About Adobe Framemaker.📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes of Framemaker.exe
- Unusual process creation from Framemaker.exe
- Suspicious document file access patterns
Network Indicators:
- Unexpected outbound connections from Framemaker process
- Document downloads from untrusted sources followed by Framemaker execution
SIEM Query:
process_name="Framemaker.exe" AND (event_id=1000 OR parent_process="Framemaker.exe")