CVE-2023-3187 : Vulnerability Insights and Analysis

This CVE entry describes a critical vulnerability found in PHPGurukul Teachers Record Management System version 1.0 related to unrestricted file upload in the component Profile Picture Handler.

Understanding CVE-2023-3187

This section delves into the details of CVE-2023-3187, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-3187?

The vulnerability identified as CVE-2023-3187 affects PHPGurukul Teachers Record Management System version 1.0. It arises due to unspecified functionality in the file "/changeimage.php" within the Profile Picture Handler component. Exploiting this issue allows for unrestricted file upload by manipulating the "newpic" argument, enabling remote attacks. The vulnerability has been publicly disclosed and assigned the identifier VDB-231176.

The Impact of CVE-2023-3187

With a CVSS base score of 6.3 (Medium Severity), CVE-2023-3187 poses a significant risk to systems running PHPGurukul Teachers Record Management System version 1.0. Attackers can leverage the unrestricted file upload capability to execute malicious activities remotely, potentially compromising the integrity, confidentiality, and availability of the system.

Technical Details of CVE-2023-3187

Delving into the technical aspects of CVE-2023-3187 provides insights into the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability involves an unspecified feature in "/changeimage.php" in the Profile Picture Handler component of PHPGurukul Teachers Record Management System version 1.0. By manipulating the "newpic" argument, threat actors can exploit an unrestricted file upload flaw, facilitating unauthorized access and potential system compromise.

Affected Systems and Versions

PHPGurukul's Teachers Record Management System version 1.0 is confirmed to be susceptible to CVE-2023-3187. Specifically, the Profile Picture Handler module within the application is identified as the component where the vulnerability manifests, highlighting the need for immediate attention and remediation.

Exploitation Mechanism

The manipulation of the "newpic" argument within the "/changeimage.php" file of the Profile Picture Handler component allows threat actors to upload files without restrictions. This exploitation vector opens the door for remote attackers to upload malicious files, escalate privileges, and carry out further attacks on the compromised system.

Mitigation and Prevention

Addressing CVE-2023-3187 requires proactive measures to mitigate the risk and secure affected systems effectively.

Immediate Steps to Take

Patching: Implement security patches provided by PHPGurukul promptly to address the vulnerability in Teachers Record Management System version 1.0.
Access Control: Restrict access to sensitive functionalities and directories within the application to prevent unauthorized file uploads.
Monitoring: Monitor file upload activities for anomalous behavior and implement intrusion detection mechanisms to detect and respond to potential exploits.

Long-Term Security Practices

Regular Security Audits: Perform periodic security audits and assessments to identify and address vulnerabilities in the application.
Security Training: Educate developers and system administrators on secure coding practices, file upload validation, and the risks associated with unrestricted file uploads.
Secure Coding Practices: Implement secure coding practices, including input validation, file type verification, and access controls, to bolster application security and prevent exploitation of similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by PHPGurukul for the Teachers Record Management System. Timely application of patches is crucial to remediate vulnerabilities and enhance the security posture of the system. Regularly updating the system ensures protection against known vulnerabilities and reduces the risk of exploitation.

By following these mitigation and prevention strategies, organizations can bolster the security of their systems and reduce the likelihood of falling victim to CVE-2023-3187.