CVE-2023-0834

7.0 HIGH

📋 TL;DR

This vulnerability allows local attackers on macOS systems to escalate privileges by exploiting incorrect permission assignments in HYPR Workforce Access. It affects organizations using HYPR Workforce Access on macOS from version 6.12 up to (but not including) 8.1.

💻 Affected Systems

Products:
  • HYPR Workforce Access
Versions: 6.12 to 8.0 (all versions before 8.1)
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects macOS installations of HYPR Workforce Access. Windows and other platforms are not affected.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker with local access could gain root privileges, potentially compromising the entire macOS system and accessing sensitive authentication data managed by HYPR Workforce Access.

🟠

Likely Case

A malicious insider or compromised user account could escalate to administrative privileges, bypassing security controls and accessing protected resources.

🟢

If Mitigated

With proper access controls and monitoring, impact would be limited to isolated privilege escalation on individual endpoints.

🌐 Internet-Facing: LOW - This is a local privilege escalation requiring local access to the macOS system.
🏢 Internal Only: HIGH - Internal users with local access to macOS workstations running vulnerable HYPR Workforce Access can exploit this vulnerability.

🎯 Exploit Status

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

Exploitation requires local access to the macOS system. No public exploit code has been disclosed as of the advisory.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 8.1

Vendor Advisory: https://www.hypr.com/security-advisories

Restart Required: Yes

Instructions:

1. Download HYPR Workforce Access version 8.1 or later from the HYPR portal. 2. Install the update following HYPR's standard deployment procedures. 3. Restart affected macOS systems to ensure the fix is applied.

🔧 Temporary Workarounds

Restrict Local Access

all

Limit physical and remote local access to macOS systems running HYPR Workforce Access

Implement Least Privilege

macOS

Ensure users only have necessary privileges on macOS systems

🧯 If You Can't Patch

  • Implement strict access controls to limit who can log into macOS systems with HYPR Workforce Access
  • Monitor for privilege escalation attempts using macOS security logs and endpoint detection tools

🔍 How to Verify

Check if Vulnerable:

Check the HYPR Workforce Access version on macOS systems. If version is between 6.12 and 8.0 inclusive, the system is vulnerable.

Check Version:

Check the HYPR Workforce Access application version through the application interface or system logs.

Verify Fix Applied:

Verify HYPR Workforce Access version is 8.1 or higher on all macOS systems.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events in macOS system logs
  • Unauthorized access attempts to protected resources

Network Indicators:

  • Unusual authentication patterns from macOS endpoints

SIEM Query:

source="macOS" AND (event_type="privilege_escalation" OR process_name="HYPR*")

🔗 References

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