CVE-2024-20752

7.8 HIGH

📋 TL;DR

CVE-2024-20752 is a use-after-free vulnerability in Adobe Bridge that could allow arbitrary code execution when a user opens a malicious file. This affects users running Adobe Bridge versions 13.0.5, 14.0.1, and earlier. Successful exploitation requires user interaction through opening a specially crafted file.

💻 Affected Systems

Products:
  • Adobe Bridge
Versions: 13.0.5, 14.0.1 and earlier versions
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default installations of affected versions are vulnerable. No special configuration required for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.

🟠

Likely Case

Malware execution on the victim's system, potentially leading to credential theft, data exfiltration, or lateral movement within the network.

🟢

If Mitigated

Limited impact with proper application sandboxing, least privilege principles, and file validation controls in place.

🌐 Internet-Facing: LOW - Exploitation requires user interaction with malicious files, not direct network exposure.
🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing or malicious file shares, but exploitation requires user interaction.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction (opening malicious file) and knowledge of memory corruption techniques. No public exploits known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Bridge 14.0.2

Vendor Advisory: https://helpx.adobe.com/security/products/bridge/apsb24-15.html

Restart Required: Yes

Instructions:

1. Open Adobe Bridge. 2. Go to Help > Check for Updates. 3. Follow prompts to install Bridge 14.0.2 or later. 4. Restart Bridge after installation completes.

🔧 Temporary Workarounds

Disable automatic file opening

all

Configure Bridge to not automatically open or preview files from untrusted sources

Restrict file types

windows

Use group policy or application controls to block suspicious file types from being opened in Bridge

🧯 If You Can't Patch

  • Implement application whitelisting to prevent unauthorized Bridge execution
  • Educate users to never open files from untrusted sources in Bridge

🔍 How to Verify

Check if Vulnerable:

Check Bridge version in Help > About Adobe Bridge. If version is 13.0.5, 14.0.1, 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.plist

Verify Fix Applied:

Verify Bridge version is 14.0.2 or later in Help > About Adobe Bridge.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected Bridge crashes
  • Suspicious file access patterns in Bridge logs
  • Unusual process spawning from Bridge

Network Indicators:

  • Outbound connections from Bridge to suspicious domains
  • Unexpected data exfiltration patterns

SIEM Query:

process_name:"Bridge.exe" AND (event_type:crash OR parent_process:unusual)

🔗 References

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