CVE-2024-10468
📋 TL;DR
This CVE describes a race condition vulnerability in IndexedDB implementations in Firefox and Thunderbird that could lead to memory corruption and potentially exploitable crashes. Attackers could potentially execute arbitrary code by exploiting this memory corruption. Affected users include anyone running vulnerable versions of Firefox (<132) or Thunderbird (<132).
💻 Affected Systems
- Mozilla Firefox
- Mozilla Thunderbird
📦 What is this software?
Firefox by Mozilla
Thunderbird by Mozilla
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or installation of persistent malware.
Likely Case
Application crash (denial of service) or limited memory corruption that may be difficult to weaponize for reliable exploitation.
If Mitigated
No impact if patched versions are deployed; crashes may still occur but without exploitation potential.
🎯 Exploit Status
Race conditions are difficult to exploit reliably. No public exploits have been reported, but the vulnerability is rated as potentially exploitable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firefox 132, Thunderbird 132
Vendor Advisory: https://www.mozilla.org/security/advisories/mfsa2024-55/
Restart Required: Yes
Instructions:
1. Open Firefox/Thunderbird. 2. Click menu → Help → About Firefox/Thunderbird. 3. Application will check for updates and prompt to install. 4. Restart the application when prompted.
🔧 Temporary Workarounds
Disable JavaScript
allDisabling JavaScript prevents IndexedDB race condition exploitation but breaks most web functionality.
Firefox: about:config → javascript.enabled = false
Thunderbird: about:config → javascript.enabled = false
Disable IndexedDB
allCompletely disable IndexedDB API to prevent exploitation of this specific vulnerability.
Firefox/Thunderbird: about:config → dom.indexedDB.enabled = false
🧯 If You Can't Patch
- Use alternative browsers/email clients until patches can be applied
- Implement network filtering to block malicious websites and email content
🔍 How to Verify
Check if Vulnerable:
Check application version: Firefox/Thunderbird → Help → About. If version is less than 132, you are vulnerable.Check Version:
Firefox: about:support → Application Basics → Version. Thunderbird: Help → About Thunderbird.Verify Fix Applied:
After updating, verify version is 132 or higher in About dialog.📡 Detection & Monitoring
Log Indicators:
- Application crash logs mentioning IndexedDB
- Unexpected browser/email client termination
- Memory access violation errors
Network Indicators:
- Unusual web traffic to sites with complex JavaScript
- Suspicious email attachments or embedded content
SIEM Query:
source="firefox.log" OR source="thunderbird.log" AND ("crash" OR "segfault" OR "access violation") AND "IndexedDB"