J-Security Center

Title: GR Blog Multiple Administrative Scripts Authentication Bypass Vulnerabilities

Severity: HIGH

Description:

GR Blog is a PHP-based blogging application.

The application is prone to multiple authentication-bypass vulnerabilities because it fails to perform adequate authentication checks. Attackers may access administrative scripts or may use specially crafted URIs to redirect HTTP requests to administrative scripts. These issues affect the following scripts:

'/admin/admin_upload.php'
'/admin/admin_user.php'
'/admin/admin_post.php'
'/admin/admin_all.php'
'/admin/admin_modify_comment.php'
'/admin/admin_category.php'
'/admin/admin_insert.php'

An attacker can exploit these issues to gain unauthorized access to the application and make arbitrary changes, including uploading arbitrary files and adding, modifying, or deleting user data. This may lead to further attacks.

GR Blog 1.1.4 is vulnerable; other versions may also be affected.

Affected Products:

  • SIRINI.NET GR Blog 1.1.4

References:

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