CVE-2022-23454

7.8 HIGH

📋 TL;DR

CVE-2022-23454 is a set of vulnerabilities in HP Support Assistant that could allow attackers to escalate privileges, compromise system integrity, communicate with untrusted clients, and modify files without authorization. This affects users running vulnerable versions of HP Support Assistant on Windows systems. The vulnerabilities stem from improper default permissions (CWE-276).

💻 Affected Systems

Products:
  • HP Support Assistant
Versions: Versions prior to 9.11
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Affects HP computers with HP Support Assistant installed. The software often comes pre-installed on HP systems.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise where an attacker gains administrative privileges, installs malware, steals sensitive data, and maintains persistent access to the system.

🟠

Likely Case

Local privilege escalation allowing an attacker to execute arbitrary code with elevated privileges, potentially leading to malware installation or system manipulation.

🟢

If Mitigated

Limited impact with proper access controls and network segmentation preventing lateral movement and limiting damage to isolated systems.

🌐 Internet-Facing: LOW (Exploitation typically requires local access to the system)
🏢 Internal Only: MEDIUM (Attackers with initial access to a system could exploit these vulnerabilities to escalate privileges)

🎯 Exploit Status

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

Exploitation requires local access to the system. The vulnerabilities involve improper permissions that could be leveraged by malicious local users or malware.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: HP Support Assistant version 9.11 or later

Vendor Advisory: https://support.hp.com/us-en/document/ish_5585999-5586023-16/hpsbgn03762

Restart Required: Yes

Instructions:

1. Open HP Support Assistant. 2. Check for updates in the application. 3. Install any available updates. 4. Alternatively, download the latest version from HP's official website. 5. Restart the computer after installation.

🔧 Temporary Workarounds

Uninstall HP Support Assistant

windows

Remove the vulnerable software entirely if not needed

Control Panel > Programs > Uninstall a program > Select HP Support Assistant > Uninstall

Restrict User Privileges

windows

Ensure users operate with least privilege to limit impact

🧯 If You Can't Patch

  • Implement strict access controls and limit local user privileges
  • Monitor for suspicious activity related to HP Support Assistant processes

🔍 How to Verify

Check if Vulnerable:

Check HP Support Assistant version in the application or via Programs and Features in Control Panel

Check Version:

wmic product where name="HP Support Assistant" get version

Verify Fix Applied:

Confirm HP Support Assistant version is 9.11 or later

📡 Detection & Monitoring

Log Indicators:

  • Unusual process creation by HP Support Assistant
  • Modification of system files by non-admin users
  • Failed privilege escalation attempts

SIEM Query:

Process creation where parent_process contains "HP" AND process_name contains "cmd" OR "powershell"

🔗 References

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