CVE-2020-9674
📋 TL;DR
CVE-2020-9674 is an out-of-bounds write vulnerability in Adobe Bridge that allows attackers to execute arbitrary code on affected systems. This affects users running Adobe Bridge version 10.0.3 or earlier. Successful exploitation could give attackers control over the compromised system.
💻 Affected Systems
- Adobe Bridge
📦 What is this software?
Bridge by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining administrative privileges, data theft, ransomware deployment, and lateral movement within the network.
Likely Case
Local privilege escalation leading to user account compromise, data exfiltration, and persistence establishment on the affected machine.
If Mitigated
Limited impact with proper application sandboxing and privilege restrictions, potentially only application crash or denial of service.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious file). No publicly available exploit code has been confirmed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.0.4 or later
Vendor Advisory: https://helpx.adobe.com/security/products/bridge/apsb20-44.html
Restart Required: Yes
Instructions:
1. Open Adobe Bridge
2. Go to Help > Check for Updates
3. Follow prompts to install version 10.0.4 or later
4. Restart Adobe Bridge after installation
🔧 Temporary Workarounds
Restrict file types
allConfigure Adobe Bridge to only open trusted file types and disable automatic processing of unknown file formats
Application control
allUse application whitelisting to restrict Adobe Bridge from executing untrusted code
🧯 If You Can't Patch
- Uninstall Adobe Bridge if not required for business operations
- Implement strict file sharing policies and user training about opening untrusted files
🔍 How to Verify
Check if Vulnerable:
Check Adobe Bridge version in Help > About Adobe Bridge. If version is 10.0.3 or earlier, system is vulnerable.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Bridge\10.0\Version. On macOS: Check /Applications/Adobe Bridge/Contents/Info.plistVerify Fix Applied:
Verify Adobe Bridge version is 10.0.4 or later in Help > About Adobe Bridge.📡 Detection & Monitoring
Log Indicators:
- Adobe Bridge crash logs with memory access violations
- Unexpected process creation from Adobe Bridge
- File access to suspicious file types
Network Indicators:
- Outbound connections from Adobe Bridge to unknown IPs
- DNS requests for suspicious domains from Adobe Bridge process
SIEM Query:
process_name:"Adobe Bridge" AND (event_type:crash OR parent_process:unusual OR file_access:*.exe)