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CVE-2024-57262

7.1 HIGH

📋 TL;DR

This vulnerability in barebox's ext4 filesystem implementation allows integer overflow when processing specially crafted ext4 filesystems with specific inode sizes. Attackers could exploit this to cause memory corruption, potentially leading to arbitrary code execution or system crashes. Systems running barebox bootloader versions before 2025.01.0 are affected.

💻 Affected Systems

Products:
  • barebox
Versions: All versions before 2025.01.0
Operating Systems: Embedded Linux systems using barebox bootloader
Default Config Vulnerable: ⚠️ Yes
Notes: Requires processing of malicious ext4 filesystem during boot sequence.

⚠️ 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 attacker gains arbitrary code execution during boot process, potentially compromising the entire system before OS loads.

🟠

Likely Case

System crash or denial of service during boot when processing malicious filesystem images.

🟢

If Mitigated

Limited impact if system doesn't process untrusted ext4 filesystems during boot.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires ability to provide malicious ext4 filesystem to bootloader.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2025.01.0

Vendor Advisory: https://git.pengutronix.de/cgit/barebox/commit/?id=a2b76550f7d87ba6f88a9ea50e71f107b514ff4e

Restart Required: No

Instructions:

1. Update barebox to version 2025.01.0 or later. 2. Rebuild bootloader image. 3. Flash updated bootloader to device.

🔧 Temporary Workarounds

Restrict filesystem access

all

Prevent barebox from accessing untrusted ext4 filesystems during boot

🧯 If You Can't Patch

  • Isolate boot environment from untrusted storage devices
  • Implement secure boot verification for all boot components

🔍 How to Verify

Check if Vulnerable:

Check barebox version: barebox --version

Check Version:

barebox --version

Verify Fix Applied:

Verify version is 2025.01.0 or later

📡 Detection & Monitoring

Log Indicators:

  • Boot failures
  • Memory corruption errors during boot

SIEM Query:

Search for boot failure events or barebox crash logs

📊 Metadata

CVE ID: CVE-2024-57262
CVSS v3 Score: 7.1 (HIGH)
CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE: CWE-190
EPSS Score: 0.02% exploit probability (4.6th percentile)
Published: February 19, 2025
Last Updated: February 19, 2025

🔗 References

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