CVE-2022-43460
📋 TL;DR
CVE-2022-43460 is a vulnerability in Fujifilm Driver Distributor v2.2.3.1 and earlier where administrator passwords are stored in a recoverable encrypted format. If an attacker obtains the configuration file, they can decrypt the credentials to gain administrative access. This affects all users of vulnerable Driver Distributor versions.
💻 Affected Systems
- Fujifilm Driver Distributor
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains full administrative control over Driver Distributor, potentially compromising connected systems and deploying malware across the network.
Likely Case
Attacker with access to configuration files decrypts administrator credentials and gains unauthorized administrative access to the Driver Distributor system.
If Mitigated
With proper access controls and file permissions, attackers cannot access configuration files, preventing credential decryption.
🎯 Exploit Status
Exploitation requires access to the configuration file containing the encrypted credentials. The decryption method is not publicly documented but is implied to be straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2.2.3.2 or later
Vendor Advisory: https://www.fujifilm.com/fbglobal/eng/company/news/notice/2023/0131_announce.html
Restart Required: Yes
Instructions:
1. Download the latest version from Fujifilm's official website. 2. Run the installer to upgrade to v2.2.3.2 or later. 3. Restart the Driver Distributor service. 4. Verify the update by checking the version in the application.
🔧 Temporary Workarounds
Restrict Configuration File Access
windowsApply strict file permissions to prevent unauthorized access to Driver Distributor configuration files.
icacls "C:\Program Files\Fujifilm\Driver Distributor\config\*" /inheritance:r /grant:r "Administrators:(F)" /grant:r "SYSTEM:(F)" /deny "Users:(R,W,X)"
Network Segmentation
allIsolate Driver Distributor systems from untrusted networks and limit access to authorized users only.
🧯 If You Can't Patch
- Implement strict access controls on configuration files to prevent unauthorized reading.
- Monitor for unauthorized access attempts to Driver Distributor configuration directories.
🔍 How to Verify
Check if Vulnerable:
Check the Driver Distributor version in the application interface or registry: HKEY_LOCAL_MACHINE\SOFTWARE\Fujifilm\Driver Distributor\Version. If version is 2.2.3.1 or earlier, the system is vulnerable.Check Version:
reg query "HKLM\SOFTWARE\Fujifilm\Driver Distributor" /v VersionVerify Fix Applied:
Verify the version is 2.2.3.2 or later using the same method. Additionally, check that configuration files no longer contain recoverable encrypted passwords.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Driver Distributor configuration files
- Failed authentication attempts followed by successful authentication from unusual locations
Network Indicators:
- Unusual network connections to Driver Distributor administration ports
- Configuration file transfers from Driver Distributor systems
SIEM Query:
EventID=4663 AND ObjectName LIKE "%Driver Distributor%config%" AND AccessMask=0x1