CVE-2021-26809 : Exploit Details and Defense Strategies

A remote shell upload vulnerability has been discovered in PHPGurukul Car Rental Project version 2.0 specifically in the file changeimage1.php.

Understanding CVE-2021-26809

This CVE involves a security flaw in version 2.0 of the PHPGurukul Car Rental Project that allows an attacker to upload a remote shell.

What is CVE-2021-26809?

The vulnerability identified in CVE-2021-26809 relates to PHPGurukul Car Rental Project version 2.0 and its susceptibility to remote shell upload attacks in the file changeimage1.php.

The Impact of CVE-2021-26809

Exploitation of this vulnerability could result in unauthorized access and control over the affected system by malicious actors.

Technical Details of CVE-2021-26809

This section presents additional technical insights into the nature of the CVE.

Vulnerability Description

The vulnerability in PHPGurukul Car Rental Project version 2.0 arises from a lack of proper input validation, allowing attackers to upload a malicious shell script remotely.

Affected Systems and Versions

Only version 2.0 of the PHPGurukul Car Rental Project is affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a specially crafted shell script via the changeimage1.php file, gaining unauthorized access to the system.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-26809.

Immediate Steps to Take

System administrators should immediately restrict access to the vulnerable file, changeimage1.php, and monitor for any suspicious activities.

Long-Term Security Practices

Implementing secure coding practices, regularly updating software, and conducting security audits can help prevent such vulnerabilities in the long term.

Patching and Updates

Users are strongly advised to update to a patched version of PHPGurukul Car Rental Project to address the remote shell upload vulnerability in version 2.0.