CVE-2022-28829
📋 TL;DR
CVE-2022-28829 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 2029u8 and earlier, and 2020u4 and earlier. Successful exploitation requires user interaction to open a 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.
Likely Case
Local code execution leading to malware installation, credential theft, or data exfiltration from the affected system.
If Mitigated
No impact if users don't open untrusted files or if application is patched.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No authentication bypass needed as user must already have file access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2029u9 and 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. Install available updates. 4. Restart the application. Alternatively, download and install the latest version from Adobe's website.
🔧 Temporary Workarounds
Restrict file opening
allConfigure application or system policies to prevent opening untrusted Framemaker files.
Application control
windowsUse application whitelisting to restrict execution of vulnerable Framemaker versions.
🧯 If You Can't Patch
- Implement strict policies preventing users from opening Framemaker files from untrusted sources
- Use endpoint protection with file reputation services to block malicious Framemaker files
🔍 How to Verify
Check if Vulnerable:
Check Adobe Framemaker version: Open application, go to Help > About Adobe Framemaker. If version is 2029u8 or earlier, or 2020u4 or earlier, system is vulnerable.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Framemaker\XX.0\InstallPath for version info. On macOS: Check /Applications/Adobe Framemaker XX/Contents/Info.plistVerify Fix Applied:
Verify version is 2029u9 or later, or 2020u5 or later after applying updates.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected child processes spawned from Framemaker
Network Indicators:
- Outbound connections from Framemaker process to suspicious IPs
SIEM Query:
process_name:"framemaker.exe" AND (event_id:1000 OR event_id:1001) OR process_parent_name:"framemaker.exe" AND process_name NOT IN (expected_process_list)