CVE-2022-28827
📋 TL;DR
CVE-2022-28827 is an out-of-bounds write vulnerability in Adobe Framemaker that could allow arbitrary code execution when a user opens a malicious file. This affects users of Adobe Framemaker versions 2029u8 and earlier, and 2020u4 and earlier. Successful exploitation requires user interaction to open a specially crafted 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 within the network.
Likely Case
Local code execution leading to malware installation, credential theft, or data exfiltration from the affected system.
If Mitigated
Limited impact if user runs with minimal privileges, has application sandboxing, and follows security best practices for file handling.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of file format manipulation. No public exploits known as of advisory date.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to Framemaker 2029u9 or 2020u5
Vendor Advisory: https://helpx.adobe.com/security/products/framemaker/apsb22-27.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 to block opening of untrusted .fm files
User awareness training
allTrain users to only open Framemaker files from trusted sources
🧯 If You Can't Patch
- Run Framemaker with minimal user privileges to limit impact of successful exploitation
- Implement application allowlisting to restrict which files Framemaker can open
🔍 How to Verify
Check if Vulnerable:
Check Framemaker version via Help > About Adobe Framemaker. If version is 2029u8 or earlier, or 2020u4 or earlier, system is vulnerable.Check Version:
In Framemaker: Help > About Adobe FramemakerVerify Fix Applied:
Verify version is 2029u9 or later, or 2020u5 or later after applying updates.📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes
- Suspicious file opening events from Framemaker
- Process creation from Framemaker with unusual parameters
Network Indicators:
- Outbound connections from Framemaker process to unknown IPs
- DNS requests for suspicious domains from Framemaker
SIEM Query:
source="framemaker" AND (event_type="crash" OR process_name="cmd.exe" OR process_name="powershell.exe")