CVE-2022-26250
📋 TL;DR
Synaman v5.1 and below contains weak file permissions that allow authenticated attackers to escalate privileges. This vulnerability affects organizations using Synaman for systems management. Attackers with existing user accounts can gain administrative access.
💻 Affected Systems
- Synaman
📦 What is this software?
Synaman by Synametrics
⚠️ Risk & Real-World Impact
Worst Case
Authenticated attackers gain full administrative control over the Synaman system, allowing them to execute arbitrary commands, access sensitive data, and compromise managed systems.
Likely Case
Malicious insiders or compromised user accounts escalate to administrator privileges, enabling unauthorized access to managed systems and sensitive configuration data.
If Mitigated
With proper access controls and monitoring, impact is limited to isolated privilege escalation attempts that can be detected and contained.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained. Technical details are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v5.2 or later
Vendor Advisory: http://synaman.com
Restart Required: Yes
Instructions:
1. Download Synaman v5.2 or later from official vendor site. 2. Backup current configuration. 3. Install the updated version. 4. Restart Synaman services. 5. Verify proper file permissions are applied.
🔧 Temporary Workarounds
File Permission Hardening
linuxManually adjust file permissions on Synaman installation directories to restrict write access to administrators only.
chmod 750 /opt/synaman/*
chown root:synaman /opt/synaman/*
Windows ACL Restriction
windowsSet restrictive NTFS permissions on Synaman program directories.
icacls "C:\Program Files\Synaman\*" /inheritance:r /grant:r "Administrators:(OI)(CI)F" /grant:r "SYSTEM:(OI)(CI)F" /grant:r "Users:(OI)(CI)RX"
🧯 If You Can't Patch
- Implement strict access controls and monitoring for Synaman user accounts
- Isolate Synaman management network and restrict access to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Check Synaman version via web interface or configuration file. Versions 5.1 and below are vulnerable.Check Version:
On Linux: cat /opt/synaman/version.txt | On Windows: type "C:\Program Files\Synaman\version.txt"Verify Fix Applied:
Verify version is 5.2 or later and check that critical files have restrictive permissions (non-admin users cannot write).📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation attempts
- Unauthorized file access to Synaman system directories
- Multiple failed then successful authentication attempts
Network Indicators:
- Unusual connections to Synaman management ports from non-admin workstations
SIEM Query:
source="synaman.log" AND (event="privilege_escalation" OR event="file_access" AND path="*/synaman/system/*")