CVE-2023-5880

8.8 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious JavaScript or HTML into the web interface of Genie Aladdin Connect garage door openers when they're in configuration mode. Attackers can exploit this by broadcasting a malicious SSID name, which gets reflected in the setup page without proper sanitization. This affects users of the Genie Aladdin Connect Retrofit-Kit Model ALDCM garage door opener.

💻 Affected Systems

Products:
  • Genie Aladdin Connect Retrofit-Kit Garage Door Opener
Versions: All versions prior to firmware update addressing CVE-2023-5880
Operating Systems: Embedded firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability only triggers when device is in configuration mode (setup mode). Normal operation mode is not affected.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attacker gains control of the garage door opener, potentially allowing unauthorized physical access to the garage, or uses the device as a foothold into the home network.

🟠

Likely Case

Attacker executes arbitrary JavaScript in the user's browser, potentially stealing credentials, session tokens, or performing actions on behalf of the user.

🟢

If Mitigated

Limited impact if device is never placed in configuration mode or if network segmentation prevents access to the setup interface.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation requires the device to be in configuration mode and the attacker to be within Wi-Fi range to broadcast malicious SSID.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check with Genie for specific firmware version

Vendor Advisory: https://www.rapid7.com/blog/post/2024/01/03/genie-aladdin-connect-retrofit-garage-door-opener-multiple-vulnerabilities/

Restart Required: Yes

Instructions:

1. Check Genie's official website for firmware updates. 2. Download the latest firmware. 3. Follow manufacturer instructions to update the garage door opener firmware. 4. Verify the update was successful.

🔧 Temporary Workarounds

Avoid Configuration Mode

all

Do not place the garage door opener in configuration mode unless absolutely necessary and only in controlled environments.

Network Segmentation

all

Place IoT devices on a separate VLAN or network segment to limit potential lateral movement.

🧯 If You Can't Patch

  • Physically secure the device and ensure it's never left in configuration mode unattended.
  • Monitor for unusual network traffic from the device and implement strict firewall rules.

🔍 How to Verify

Check if Vulnerable:

Check if device is running vulnerable firmware by accessing the web interface and checking version information.

Check Version:

Access the device's web interface at its IP address and check firmware version in settings.

Verify Fix Applied:

After updating firmware, verify the version matches the patched version from Genie and test that malicious SSID names no longer trigger XSS.

📡 Detection & Monitoring

Log Indicators:

  • Unusual access to garage door opener web interface
  • Multiple failed configuration attempts

Network Indicators:

  • Unusual SSID broadcasts in proximity to the device
  • HTTP requests to garage door opener with suspicious parameters

SIEM Query:

source="garage_door_opener" AND (event="configuration_mode" OR event="web_interface_access")

🔗 References

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