CVE-2023-2759

8.8 HIGH

📋 TL;DR

This vulnerability in TapHome's core platform allows authenticated low-privileged users to change other users' passwords without authorization. Attackers can gain full device access by exploiting this hidden API. All TapHome core platform installations before version 2023.2 are affected.

💻 Affected Systems

Products:
  • TapHome core platform
Versions: All versions before 2023.2
Operating Systems: Not specified - likely platform independent
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access but only low privileges needed. Affects all default configurations of vulnerable versions.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of the TapHome system with administrative access, allowing attackers to control all connected devices, steal sensitive data, and potentially pivot to other network resources.

🟠

Likely Case

Unauthorized account takeover leading to privilege escalation, data theft, and disruption of smart home/automation systems controlled by TapHome.

🟢

If Mitigated

Limited impact if proper network segmentation, strong authentication, and monitoring are in place, though the vulnerability still exists.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but only low privileges. The hidden API makes exploitation straightforward once discovered.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2023.2 and later

Vendor Advisory: https://claroty.com/team82/disclosure-dashboard/cve-2023-2759

Restart Required: Yes

Instructions:

1. Backup current configuration and data. 2. Download TapHome core platform version 2023.2 or later from official sources. 3. Stop TapHome services. 4. Install the updated version. 5. Restart services. 6. Verify functionality.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to TapHome platform to only trusted users and networks

Privilege Review

all

Review and minimize user privileges, especially for low-privileged accounts

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate TapHome systems from critical infrastructure
  • Enable detailed logging and monitoring for password change activities and implement alerting

🔍 How to Verify

Check if Vulnerable:

Check TapHome platform version via admin interface or configuration files. If version is earlier than 2023.2, system is vulnerable.

Check Version:

Check TapHome admin interface or configuration files for version information

Verify Fix Applied:

Verify installed version is 2023.2 or later and test that low-privileged users cannot change other users' passwords.

📡 Detection & Monitoring

Log Indicators:

  • Unusual password change events, especially from low-privileged accounts
  • Multiple failed authentication attempts followed by password changes

Network Indicators:

  • Unusual API calls to password change endpoints from unexpected sources

SIEM Query:

source="taphome" AND (event_type="password_change" AND user_privilege="low")

🔗 References

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