CVE-2023-22230
📋 TL;DR
This CVE describes an out-of-bounds write vulnerability in Adobe Bridge that could allow an attacker to execute arbitrary code on a victim's system. The vulnerability affects users of Adobe Bridge versions 12.0.3 and earlier, and 13.0.1 and earlier. Exploitation requires user interaction, specifically opening a malicious file.
💻 Affected Systems
- Adobe Bridge
📦 What is this software?
Bridge by Adobe
Bridge by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer in the context of the current user, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation leading to data exfiltration, installation of persistent malware, or credential theft from the compromised user account.
If Mitigated
Limited impact due to user account restrictions, with potential file corruption or application crash but no system-wide compromise.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of memory corruption techniques. No public exploit code has been disclosed as of the advisory date.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Bridge 12.0.4 and 13.0.2
Vendor Advisory: https://helpx.adobe.com/security/products/bridge/apsb23-09.html
Restart Required: Yes
Instructions:
1. Open Adobe Bridge. 2. Go to Help > Check for Updates. 3. Follow prompts to install Bridge 12.0.4 or 13.0.2. 4. Restart Adobe Bridge after installation completes.
🔧 Temporary Workarounds
Disable automatic file opening
allConfigure Adobe Bridge to not automatically open files or use safe mode when handling untrusted files
Application control restrictions
windowsUse application whitelisting to restrict execution of Adobe Bridge to trusted users only
🧯 If You Can't Patch
- Restrict user permissions to limit potential damage from code execution
- Implement email/web filtering to block malicious file attachments and downloads
🔍 How to Verify
Check if Vulnerable:
Check Adobe Bridge version: Open Bridge, go to Help > About Adobe Bridge. If version is 12.0.3 or earlier, or 13.0.1 or earlier, system is vulnerable.
Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Bridge\XX.X\Version (where XX.X is major version)
Verify Fix Applied:
Verify version is 12.0.4 or higher for Bridge 12.x, or 13.0.2 or higher for Bridge 13.x.
📡 Detection & Monitoring
Log Indicators:
- Unexpected Adobe Bridge crashes
- Process creation from Adobe Bridge with unusual command lines
- File access to suspicious locations by Bridge process
Network Indicators:
- Outbound connections from Adobe Bridge process to unknown IPs
- DNS requests for suspicious domains from Bridge process
SIEM Query:
process_name:"bridge.exe" AND (event_type:process_creation OR event_type:crash)