CVE-2024-11468

7.8 HIGH

📋 TL;DR

A local privilege escalation vulnerability in Omnissa Horizon Client for macOS allows authenticated users to gain root privileges on affected systems. This affects macOS systems running vulnerable versions of the Horizon Client software. Attackers with local access can exploit this flaw to take full control of the system.

💻 Affected Systems

Products:
  • Omnissa Horizon Client for macOS
Versions: Specific versions not detailed in provided references; consult vendor advisory for exact affected versions
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Affects macOS systems where Horizon Client is installed with vulnerable installation components. Requires local user access to exploit.

⚠️ 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

An attacker with local user access gains full root privileges, enabling complete system compromise, data theft, persistence mechanisms, and lateral movement capabilities.

🟠

Likely Case

Malicious insiders or compromised user accounts escalate privileges to install malware, steal sensitive data, or maintain persistence on corporate macOS endpoints.

🟢

If Mitigated

With proper privilege separation and monitoring, exploitation attempts can be detected and contained before significant damage occurs.

🌐 Internet-Facing: LOW
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Requires local user access and knowledge of the installation flaw. No public exploit code identified in provided references.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Consult vendor advisory for specific patched version

Vendor Advisory: https://www.omnissa.com/omnissa-security-response/

Restart Required: No

Instructions:

1. Review Omnissa security advisory OMSA-2024-0002. 2. Download and install the latest Horizon Client for macOS from official sources. 3. Verify installation completes successfully.

🔧 Temporary Workarounds

Restrict local user privileges

macOS

Implement least privilege principles to limit what local users can execute

🧯 If You Can't Patch

  • Remove Horizon Client from critical systems if not essential
  • Implement strict monitoring for privilege escalation attempts and unusual root activity

🔍 How to Verify

Check if Vulnerable:

Check Horizon Client version and compare against vendor's vulnerable version list in advisory OMSA-2024-0002

Check Version:

Check application version through macOS System Information or Horizon Client 'About' menu

Verify Fix Applied:

Confirm Horizon Client version matches or exceeds patched version specified in vendor advisory

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events
  • Horizon Client installation process anomalies
  • Unauthorized root access from user accounts

Network Indicators:

  • None - this is a local privilege escalation vulnerability

SIEM Query:

Search for 'sudo' or 'su' commands from non-admin Horizon Client users, or process execution with unexpected privilege changes

🔗 References

📤 Share & Export