CVE-2018-11523 : Security Advisory and Response
Learn about CVE-2018-11523 affecting NUUO NVRmini 2 devices, allowing arbitrary file uploads, including .php files. Find mitigation steps and long-term security practices here.
NUUO NVRmini 2 devices are vulnerable to arbitrary file upload via upload.php, allowing the uploading of malicious .php files.
Understanding CVE-2018-11523
This CVE involves a security vulnerability in NUUO NVRmini 2 devices that enables the unrestricted uploading of various file types, including potentially harmful .php files.
What is CVE-2018-11523?
The flaw in upload.php on NUUO NVRmini 2 devices allows attackers to upload any file, including PHP files, which can lead to remote code execution and other malicious activities.
The Impact of CVE-2018-11523
The vulnerability poses a significant risk as it enables threat actors to upload malicious PHP files, potentially compromising the device and the network it is connected to.
Technical Details of CVE-2018-11523
NUUO NVRmini 2 devices are susceptible to arbitrary file upload through the upload.php functionality, exposing them to various security risks.
Vulnerability Description
The flaw in upload.php on NUUO NVRmini 2 devices allows the uncontrolled uploading of files, including dangerous .php files that can execute arbitrary code.
Affected Systems and Versions
- Product: NUUO NVRmini 2
- Vendor: NUUO
- Versions: All versions are affected
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading malicious .php files through the upload.php feature, potentially gaining unauthorized access and executing arbitrary code.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2018-11523.
Immediate Steps to Take
- Disable the upload.php functionality on NUUO NVRmini 2 devices to prevent arbitrary file uploads.
- Regularly monitor the device for any unauthorized file uploads or suspicious activities.
Long-Term Security Practices
- Implement file type restrictions and validation checks to prevent the upload of executable files.
- Keep the device firmware and software up to date to patch known vulnerabilities and enhance security.
Patching and Updates
- NUUO should release a patch or update that addresses the vulnerability in upload.php to secure NVRmini 2 devices from arbitrary file uploads.