CVE-2024-41840
📋 TL;DR
Adobe Bridge versions 13.0.8, 14.1.1 and earlier contain an out-of-bounds write vulnerability that could allow arbitrary code execution when a user opens a malicious file. This affects users of Adobe Bridge who open untrusted files, potentially leading to complete system compromise.
💻 Affected Systems
- Adobe Bridge
📦 What is this software?
Bridge by Adobe
Bridge by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer in the context of the current user, enabling data theft, ransomware deployment, or persistent access.
Likely Case
Malicious actor tricks user into opening a specially crafted file (likely via phishing), leading to malware installation or credential theft.
If Mitigated
User opens malicious file but exploit fails due to security controls like ASLR, DEP, or antivirus detection, resulting in application crash.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code has been disclosed as of the advisory date.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Bridge 13.0.9 and 14.2
Vendor Advisory: https://helpx.adobe.com/security/products/bridge/apsb24-59.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' section. 3. Find Adobe Bridge and click 'Update' if available. 4. Alternatively, download the update directly from Adobe's website. 5. Install the update and restart your computer.
🔧 Temporary Workarounds
Restrict file types
allConfigure system or email filters to block suspicious file types that could be used to exploit this vulnerability.
User awareness training
allTrain users to avoid opening files from untrusted sources, especially via email attachments.
🧯 If You Can't Patch
- Restrict user permissions to limit damage if exploitation occurs
- Implement application whitelisting to prevent execution of unauthorized code
🔍 How to Verify
Check if Vulnerable:
Check Adobe Bridge version in Help > About Adobe Bridge. If version is 13.0.8 or earlier, or 14.1.1 or earlier, the system is vulnerable.Check Version:
On Windows: Check via Help > About Adobe Bridge. On macOS: Adobe Bridge > About Adobe Bridge.Verify Fix Applied:
After updating, verify version is 13.0.9 or higher, or 14.2 or higher in Help > About Adobe Bridge.📡 Detection & Monitoring
Log Indicators:
- Application crashes of Adobe Bridge with memory access violations
- Unexpected child processes spawned from Adobe Bridge
Network Indicators:
- Outbound connections from Adobe Bridge to suspicious IPs post-file opening
SIEM Query:
process_name:"Adobe Bridge" AND (event_id:1000 OR event_id:1001) OR parent_process:"Adobe Bridge" AND process_creation