CVE-2022-29974

4.3 MEDIUM

📋 TL;DR

This CVE describes a buffer overflow vulnerability in AMI's NTFS driver version 1.0.0, which could allow attackers to execute arbitrary code or cause system crashes. The vulnerability affects devices using this driver, including certain ASUS products. The issue was fixed in late 2021 or early 2022.

💻 Affected Systems

Products:
  • AMI NTFS driver
  • ASUS devices using AMI NTFS driver
Versions: 1.0.0 (fixed in late 2021/early 2022)
Operating Systems: Systems using AMI firmware/drivers
Default Config Vulnerable: ⚠️ Yes
Notes: Specific ASUS device models not detailed in references; requires driver to be loaded and accessible

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, or persistent backdoor installation

🟠

Likely Case

Local privilege escalation or denial of service through system crashes

🟢

If Mitigated

Limited impact if driver is not loaded or access is restricted

🌐 Internet-Facing: LOW - Requires local access or specific conditions to trigger
🏢 Internal Only: MEDIUM - Could be exploited by malicious insiders or through lateral movement

🎯 Exploit Status

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

Buffer overflow (CWE-120) typically requires specific conditions to trigger; no public exploit details available

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Fixed version released late 2021 or early 2022

Vendor Advisory: https://www.ami.com

Restart Required: Yes

Instructions:

1. Check device manufacturer (e.g., ASUS) for firmware updates. 2. Apply latest firmware/BIOS updates. 3. Reboot system after update.

🔧 Temporary Workarounds

Disable NTFS driver if unused

all

Prevent loading of vulnerable driver if NTFS support is not required

Specific commands depend on system configuration

Restrict driver access

all

Limit permissions to driver files to prevent unauthorized access

chmod 600 /path/to/driver (Linux)
icacls driver.sys /deny Everyone:F (Windows)

🧯 If You Can't Patch

  • Implement strict access controls to limit who can interact with driver
  • Monitor for unusual system behavior or crashes related to filesystem operations

🔍 How to Verify

Check if Vulnerable:

Check driver version in system information or firmware settings; look for AMI NTFS driver version 1.0.0

Check Version:

System-specific commands vary; check manufacturer documentation

Verify Fix Applied:

Verify firmware/driver version is updated beyond late 2021/early 2022

📡 Detection & Monitoring

Log Indicators:

  • System crashes related to filesystem operations
  • Unexpected driver loading events

Network Indicators:

  • None - local vulnerability

SIEM Query:

Event logs showing driver failures or system reboots after filesystem access

🔗 References

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