CVE-2024-46505

9.1 CRITICAL

📋 TL;DR

Infoblox BloxOne v2.4 contains a business logic flaw in its thick client that could allow attackers to bypass intended security controls. This affects organizations using Infoblox BloxOne v2.4 for network management and DDI services. The vulnerability stems from improper validation in the thick client interface.

💻 Affected Systems

Products:
  • Infoblox BloxOne
Versions: v2.4
Operating Systems: Windows, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Specifically affects the thick client interface of BloxOne v2.4. Cloud-hosted instances may also be vulnerable depending on configuration.

⚠️ 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

Complete compromise of the BloxOne management system, allowing unauthorized configuration changes, data exfiltration, or disruption of network services.

🟠

Likely Case

Unauthorized access to sensitive configuration data, modification of DNS/DHCP settings, or privilege escalation within the BloxOne environment.

🟢

If Mitigated

Limited impact if network segmentation and strict access controls prevent unauthorized access to the management interface.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires access to the thick client interface. The referenced Medium article demonstrates the vulnerability and potential exploitation paths.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v2.5 or later

Vendor Advisory: https://support.infoblox.com/

Restart Required: Yes

Instructions:

1. Check current BloxOne version. 2. Download and install BloxOne v2.5 or later from Infoblox support portal. 3. Restart BloxOne services. 4. Verify the update was successful.

🔧 Temporary Workarounds

Restrict thick client access

linux

Limit network access to BloxOne thick client interfaces to authorized management networks only.

iptables -A INPUT -p tcp --dport [bloxone-port] -s [trusted-network] -j ACCEPT
iptables -A INPUT -p tcp --dport [bloxone-port] -j DROP

Implement network segmentation

all

Isolate BloxOne management interfaces from general user networks.

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can reach the BloxOne thick client interface.
  • Monitor for unusual thick client authentication or configuration change patterns.

🔍 How to Verify

Check if Vulnerable:

Check BloxOne version via the thick client interface or system logs. Version 2.4 is vulnerable.

Check Version:

On BloxOne server: cat /etc/bloxone/version or check via thick client interface.

Verify Fix Applied:

Verify BloxOne version is 2.5 or later and test thick client functionality for expected behavior.

📡 Detection & Monitoring

Log Indicators:

  • Unusual thick client authentication attempts
  • Unexpected configuration changes in BloxOne logs
  • Failed validation attempts in thick client logs

Network Indicators:

  • Unusual traffic patterns to BloxOne thick client ports
  • Connection attempts from unauthorized IP addresses

SIEM Query:

source="bloxone" AND (event_type="config_change" OR event_type="auth_failure") | stats count by src_ip

🔗 References

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