CVE-2022-28839
📋 TL;DR
Adobe Bridge versions 12.0.1 and earlier contain an out-of-bounds write vulnerability that allows attackers to execute arbitrary code with the privileges of the current user. This requires the victim to open a malicious file, making it a client-side attack. Users of Adobe Bridge on any operating system are affected.
💻 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 user's computer, enabling data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Malware installation leading to data exfiltration, credential theft, or system disruption for individual users who open malicious files.
If Mitigated
Limited impact with only isolated user account compromise if proper application sandboxing and least privilege principles are implemented.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code was available at advisory publication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.0.2
Vendor Advisory: https://helpx.adobe.com/security/products/bridge/apsb22-25.html
Restart Required: Yes
Instructions:
1. Open Adobe Bridge. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 12.0.2 or later. 4. Restart Adobe Bridge after installation.
🔧 Temporary Workarounds
Disable automatic file opening
allConfigure Adobe Bridge to not automatically open files or use safe viewing modes
Restrict file types
allUse application control to block opening of suspicious or uncommon file types in Adobe Bridge
🧯 If You Can't Patch
- Uninstall Adobe Bridge if not required for business operations
- Implement application whitelisting to prevent execution of Adobe Bridge
🔍 How to Verify
Check if Vulnerable:
Check Adobe Bridge version in Help > About Adobe Bridge. If version is 12.0.1 or earlier, system is vulnerable.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Bridge\Version. On macOS: Check /Applications/Adobe Bridge/Contents/Info.plistVerify Fix Applied:
Verify Adobe Bridge version is 12.0.2 or later in Help > About Adobe Bridge.📡 Detection & Monitoring
Log Indicators:
- Adobe Bridge crash logs with memory access violations
- Unexpected child processes spawned from Adobe Bridge
- File access to suspicious locations by Adobe Bridge process
Network Indicators:
- Outbound connections from Adobe Bridge to unknown external IPs
- DNS requests for suspicious domains from Adobe Bridge process
SIEM Query:
process_name:"Adobe Bridge" AND (event_type:crash OR parent_process:"Adobe Bridge")