CVE-2020-9569
📋 TL;DR
CVE-2020-9569 is an out-of-bounds write vulnerability in Adobe Bridge that allows attackers to execute arbitrary code on affected systems. Users running Adobe Bridge versions 10.0.1 and earlier are vulnerable. Successful exploitation requires user interaction, such as opening a malicious file.
💻 Affected Systems
- Adobe Bridge
📦 What is this software?
Bridge by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the affected system, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation or remote code execution when a user opens a malicious file, leading to malware installation or data exfiltration.
If Mitigated
Limited impact with proper application sandboxing, user awareness training, and restricted file execution policies in place.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious file). No public exploit code was available at the time of disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Adobe Bridge 10.1 and later
Vendor Advisory: https://helpx.adobe.com/security/products/bridge/apsb20-19.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to the 'Apps' tab. 3. Find Adobe Bridge and click 'Update' if available. 4. Alternatively, download the latest version from Adobe's website. 5. Install the update and restart your system.
🔧 Temporary Workarounds
Disable automatic file processing
allConfigure Adobe Bridge to not automatically process or preview files from untrusted sources.
Application sandboxing
allRun Adobe Bridge in a sandboxed environment to limit potential damage from exploitation.
🧯 If You Can't Patch
- Restrict user permissions to limit the impact of potential code execution
- Implement application whitelisting to prevent execution of unauthorized binaries
🔍 How to Verify
Check if Vulnerable:
Open Adobe Bridge, go to Help > About Adobe Bridge and check if version is 10.0.1 or earlier.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Bridge\Version. On macOS: Check /Applications/Adobe Bridge/Contents/Info.plist for CFBundleShortVersionString.Verify Fix Applied:
After updating, verify the version is 10.1 or later in Help > About Adobe Bridge.📡 Detection & Monitoring
Log Indicators:
- Unexpected process creation from Adobe Bridge
- Memory access violations in application logs
- File access to suspicious locations
Network Indicators:
- Outbound connections from Adobe Bridge to unexpected destinations
- DNS queries for known malicious domains
SIEM Query:
process_name:"Adobe Bridge.exe" AND (event_id:4688 OR parent_process_name:"Adobe Bridge.exe")