CVE-2018-14839 details a critical remote command execution vulnerability in the LG N1A1 NAS firmware version 3718.510. This vulnerability allows attackers to execute arbitrary code remotely, posing a significant risk to organizations utilizing this affected product. The attack vector involves sending specially crafted HTTP POST requests with parameters, making it a low complexity exploit with no authentication required. Given the severity of this vulnerability, organizations should prioritize remediation efforts.
The CVSS score of 9.8 indicates the critical nature of this vulnerability, highlighting its potential impact on confidentiality, integrity, and availability. Organizations using the LG N1A1 NAS should be aware of the associated risks and the urgency required in addressing this vulnerability. Immediate action is necessary to prevent unauthorized access and potential exploitation.
As of now, there is no public exploit available for CVE-2018-14839, but it is included in the Known Exploited Vulnerabilities (KEV) catalog since March 25, 2022. This inclusion indicates that the vulnerability has been recognized by authorities as a significant risk, further emphasizing the need for swift action from organizations to implement patches.
Organizations should prioritize patching immediately. By addressing this vulnerability promptly, they can significantly reduce the risk of exploitation and safeguard their systems.
Vulnerability Details
The official description of CVE-2018-14839 states that LG N1A1 NAS 3718.510 is vulnerable to remote command execution, allowing attackers to execute arbitrary code remotely. The attack vector is through HTTP POST requests with parameters. The vulnerability is categorized under CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')). The vulnerability was published on May 14, 2019.
This vulnerability has a CVSS score of 9.8, classified as critical, indicating a high level of risk. The attack vector is network-based, with low attack complexity, and does not require any privileges or user interaction. The potential impacts include high confidentiality, integrity, and availability risks.
Technical Analysis
The root cause of CVE-2018-14839 is found in the handling of HTTP POST parameters, which may allow attackers to execute arbitrary commands on the LG N1A1 NAS device. The attack vector being network-based means that attackers can exploit this vulnerability remotely without physical access to the device. The attack complexity is assessed as low, as no special skills or resources are needed to launch an attack.
No privileges are required to exploit this vulnerability, indicating that any unauthenticated user could potentially take advantage of it. Additionally, there is no user interaction required for exploitation, further increasing the risk profile. The impact of this vulnerability is severe, affecting confidentiality, integrity, and availability, with all three being rated as high.
Risk & Impact Analysis
The deployment of this vulnerability in real-world scenarios poses significant risks to organizations utilizing LG N1A1 NAS devices. The potential for attackers to execute arbitrary code remotely can lead to unauthorized access, data breaches, and disruption of services. The blast radius is extensive, as this vulnerability can affect any organization using the affected firmware, leading to widespread implications.
Given the high CVSS score and its inclusion in the KEV catalog, organizations should consider this vulnerability as a high priority. The urgency for remediation is critical, and organizations should take immediate steps to patch their systems to mitigate the risk of exploitation.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The affected version for this vulnerability is LG N1A1 firmware version 3718.510. Organizations using this version must take immediate action to apply vendor patches or updates to mitigate the risk.
Mitigation & Remediation
To mitigate the risks associated with CVE-2018-14839, organizations should apply the latest firmware updates provided by LG. These updates will address the identified vulnerabilities and help secure the systems against potential exploits.
If patches are unavailable, organizations should consider implementing network segmentation to limit access to the affected devices. Regular monitoring and auditing of logs for any unusual activities can also help in identifying potential exploitation attempts.
Continuous security testing should be conducted to ensure that any vulnerabilities are identified and remediated promptly.
Detection Guidance
Organizations should monitor logs for indicators of exploitation, such as unusual HTTP POST requests or attempts to execute commands on the NAS device. Behavioral anomalies should also be tracked, such as unexpected system changes or unauthorized access attempts.
AppSecure Threat Intelligence Insight
CVE-2018-14839 reflects a critical vulnerability that organizations must address. The trend of remote command execution vulnerabilities highlights the importance of secure coding practices and robust security measures in firmware development. Security teams should prioritize continuous security assessments to identify potential vulnerabilities and mitigate risks effectively.
Organizations should enhance their security posture by implementing a comprehensive application security assessment strategy that includes regular penetration testing and vulnerability management.
In conclusion, addressing CVE-2018-14839 is vital for organizations using LG N1A1 NAS devices. By prioritizing remediation and enhancing security practices, organizations can significantly reduce their risk of exploitation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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