CVE-2024-49557
📋 TL;DR
This CVE describes a command injection vulnerability in Dell SmartFabric OS10 Software that allows a low-privileged attacker with local access to execute arbitrary code on affected systems. The vulnerability affects multiple versions of Dell's networking OS10 software. Organizations using vulnerable versions of Dell SmartFabric OS10 are at risk.
💻 Affected Systems
- Dell SmartFabric OS10 Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker gains full control of the network device, potentially pivoting to other systems, disrupting network operations, or establishing persistent access.
Likely Case
Local attackers escalate privileges to gain administrative control of the network device, enabling configuration changes, traffic interception, or lateral movement.
If Mitigated
With proper network segmentation and access controls, impact is limited to the compromised device only.
🎯 Exploit Status
Requires local access with low privileges; command injection vulnerabilities are typically straightforward to exploit once details are known
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Dell advisory DSA-2024-425 for specific fixed versions
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000247217/dsa-2024-425-security-update-for-dell-networking-os10-vulnerabilities
Restart Required: Yes
Instructions:
1. Review Dell advisory DSA-2024-425. 2. Download appropriate OS10 update from Dell support. 3. Apply update following Dell's upgrade procedures. 4. Reboot affected devices.
🔧 Temporary Workarounds
Restrict local access
dell-os10Limit local console and SSH access to trusted administrators only
configure terminal
line console 0
password <strong_password>
login
line vty 0 15
password <strong_password>
login
access-class <acl_name> in
Implement privilege separation
dell-os10Use role-based access control to limit low-privileged users
configure terminal
role name restricted
rule 1 deny all
username <user> password <password> role restricted
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected devices
- Monitor for unusual command execution patterns and privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check OS10 version with 'show version' command and compare against affected versionsCheck Version:
show version | include VersionVerify Fix Applied:
Verify OS10 version is updated beyond affected ranges and check Dell advisory for specific fixed versions📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns
- Privilege escalation attempts
- Unexpected configuration changes
Network Indicators:
- Unusual traffic patterns from network devices
- Unexpected administrative connections
SIEM Query:
source="dell-os10" AND (event_type="command_execution" OR event_type="privilege_change")