CVE-2022-28843
📋 TL;DR
CVE-2022-28843 is an out-of-bounds write vulnerability in Adobe Bridge that allows arbitrary code execution when a user opens a malicious file. This affects users of Adobe Bridge version 12.0.1 and earlier. Attackers can gain the same privileges as the current user through crafted files.
💻 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 victim's machine and potentially moving laterally through the network.
Likely Case
Local privilege escalation leading to data theft, ransomware deployment, or persistence mechanisms installation on the affected system.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions preventing system-wide compromise.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of memory corruption techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Adobe Bridge 12.0.2 and later
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 Bridge 12.0.2 or later. 4. Restart the application.
🔧 Temporary Workarounds
Disable automatic file opening
allConfigure Adobe Bridge to not automatically open or preview files from untrusted sources
Restrict file types
windowsUse application control policies to block execution of Bridge files from untrusted locations
🧯 If You Can't Patch
- Remove Adobe Bridge from systems where it's not essential for business operations
- Implement strict user training about opening files from untrusted sources and use application sandboxing
🔍 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: wmic product where name="Adobe Bridge" get version
On macOS: /Applications/Adobe Bridge/Adobe Bridge.app/Contents/Info.plist | grep -A1 CFBundleShortVersionStringVerify Fix Applied:
Verify Adobe Bridge version is 12.0.2 or later in Help > About Adobe Bridge.📡 Detection & Monitoring
Log Indicators:
- Unexpected Adobe Bridge crashes
- Suspicious file opening events in Bridge logs
- Process creation from Adobe Bridge with unusual parameters
Network Indicators:
- Outbound connections from Adobe Bridge to unknown IPs
- DNS requests for suspicious domains after Bridge execution
SIEM Query:
source="*adobe*bridge*" AND (event_type="crash" OR process_name="cmd.exe" OR process_name="powershell.exe")