Codezips Free Exam Hall Seating Management System In PHP with Source Code 1.0 /pages/save_user.php Unrestricted Upload

[Charlotte008]

Codezips Free Exam Hall Seating Management System In PHP with Source Code 1.0 update-image1.php Unrestricted Upload

NAME OF AFFECTED PRODUCT(S)

• Free Exam Hall Seating Management System In PHP with Source Code

Vendor Homepage

• https://codezips.com/php/free-exam-hall-seating-management-system-in-php-with-source-code/

AFFECTED AND/OR FIXED VERSION(S)

submitter

• Tiki

Vulnerable File

• /pages/save_user.php

VERSION(S)

• V1.0

Software Link

• https://raw.githubusercontent.com/nikhildb/free-exam-hall-seating-arrangement-management/master/free-exam-hall-seating-arrangement-management-Academic-Project.zip

PROBLEM TYPE

Vulnerability Type

• File upload

Root cause

+In line 19 of the '/pages/save_user.php' file, the input obtained through '$_FILES' is directly used to determine the storage location of the file without verification or cleaning. The specific code snippet is as follows:

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Impact

• Attackers can exploit this vulnerability for unrestricted uploads, which may result in file overwrite, file injection, directory traversal attacks, and denial of service attacks. Remote attacks may also lead to RCE

Description

• 'Tiki' found that the file upload operation was received by the variable '$_FILES' in the '/pages/save_user.php' file. Due to the lack of proper input validation and cleaning, remote attackers can pass malicious payloads through this file upload function, resulting in unrestricted file uploads, which may further lead to remote code execution (RCE).

Vulnerability details and POC

Payload

POC screenshot

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I successfully executed the PHP script on the terminal

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