Description: Certain models of routers from Billion Electric has an OS Command Injection vulnerability, allowing remote attackers with administrator privileges to inject arbitrary system commands into a specific SSH function and execute them on the device.
CVE-2024-11983
Published Date: 2024-11-29T08:15:04.733
Last Modified: 2024-11-29T08:15:04.733
CVSS Score: 7.2 (HIGH)
EPSS Score: 0.04%
Risk Score: 5.04 (HIGH)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
7.2 |
EPSS:
0.04%
Mitre ATT&CK Technical v15.1
T1021.004 – SSH
T1053.002 – At
Technical Analysis & Mitigation Measures
1. Technical Attack Analysis:
The vulnerability described in CVE-2024-11983 pertains to an OS Command Injection in specific router models from Billion Electric. This vulnerability allows remote attackers with administrative access to inject arbitrary system commands via a particular function in SSH.
Attack Techniques:
– T1021.004 – SSH : Attackers can utilize SSH protocols to establish a secure communication channel and exploit the command injection vulnerability. This enables them to execute malicious commands remotely, potentially leading to unauthorized access to sensitive data or network resources.
– T1053.002 – At : Attackers may use scheduled task manipulation via the command injection to execute their malicious commands at a future time or on a recurring basis, allowing them to maintain persistence on the device.
Potential Impacts:
– Unauthorized access to the device and sensitive data.
– Alteration or deletion of configuration settings, leading to service disruption.
– Installation of malware or backdoors for continued access.
– Potential pivoting to other devices on the network, escalating the attack to broader network compromise.
2. Mitigation Measures:
– Strengthen Security Configurations:
– Enable multi-factor authentication (MFA) for SSH access.
– Restrict SSH access to only trusted IP addresses or networks.
– Regularly update and patch router firmware to mitigate known vulnerabilities.
– Disable unused services and features to minimize attack vectors.
– Utilize Specific Tools or Security Software:
– Deploy intrusion detection systems (IDS) to monitor for unusual SSH activity.
– Implement endpoint security solutions to detect and block unauthorized command execution.
– Use network segmentation to limit the potential impact of an exploit.
– Implement Monitoring and Reporting Practices:
– Enable detailed logging of SSH access and command executions on the router.
– Set up alerts for any suspicious activities, such as failed login attempts or unusual command executions.
– Regularly review logs and alerts to identify potential breaches or attempts to exploit the vulnerability.
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Reference Links
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