CVE-2025-61879
📋 TL;DR
A high-privileged user in Infoblox NIOS can exploit the account creation mechanism to write arbitrary files to the system. This affects Infoblox NIOS versions through 9.0.7. The vulnerability could allow privilege escalation or system compromise.
💻 Affected Systems
- Infoblox NIOS
📦 What is this software?
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
Nios by Infoblox
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through arbitrary file writes leading to privilege escalation, backdoor installation, or service disruption.
Likely Case
Privilege escalation by a malicious high-privileged user writing configuration files or scripts to gain persistent access.
If Mitigated
Limited impact if proper access controls and monitoring are in place to detect unusual account creation activities.
🎯 Exploit Status
Requires high-privileged user credentials and knowledge of the account creation mechanism.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.0.8 or later
Vendor Advisory: https://support.infoblox.com/s/article/CVE-2025-61879-and-CVE-2025-61880
Restart Required: No
Instructions:
1. Log into Infoblox Grid Manager. 2. Navigate to Grid Properties > Upgrade/Downgrade. 3. Upload and apply patch version 9.0.8 or later. 4. Verify successful upgrade.
🔧 Temporary Workarounds
Restrict High-Privileged Account Access
allLimit the number of high-privileged users and implement strict access controls.
Monitor Account Creation Activities
allEnable detailed logging for all account creation and modification events.
🧯 If You Can't Patch
- Implement strict least-privilege access controls for all user accounts.
- Monitor and audit all account creation and file write activities in system logs.
🔍 How to Verify
Check if Vulnerable:
Check NIOS version via Grid Manager or CLI. If version is 9.0.7 or earlier, system is vulnerable.Check Version:
show versionVerify Fix Applied:
Verify NIOS version is 9.0.8 or later after applying patch.📡 Detection & Monitoring
Log Indicators:
- Unusual account creation events by high-privileged users
- Unexpected file write operations in system logs
Network Indicators:
- Unusual authentication patterns from high-privileged accounts
SIEM Query:
source="infoblox" AND (event_type="account_creation" OR event_type="file_write") AND user_privilege="high"