1 Vulnerability Overview
Recently, ThinkPHP 5.0.* is prone to a remote code execution vulnerability that has been officially fixed. All related users should stay wary and take precautions as soon as possible.
2 Scope of Impact
- ThinkPHP 5.0.*
- ThinkPHP 5.0.24
3 Vulnerability Check
3.1 Version Check
Use a text editor to open thinkphp\base.php and then you can find the version number of the current framework from the section of code on constant definitions.
If the version is vulnerable, please take precautions as soon as possible to fix the vulnerability.
4 Vulnerability Protection
4.1 Version Upgrade
ThinkPHP5 allows users to use Composer for installing updates. Users are advised to back up applications and modified directories, open the Command Prompt program in the root directory and then execute one of the following commands.
composer update topthink/framework 5.0.24
composer update topthink/framework=5.0.24
composer update topthink/framework:5.0.24
Note: If the user uses an early ThinkPHP5 version, a compatibility problem may arise during the upgrade. In this case, it is recommended that the user perform the upgrade according to the upgrade procedure described in the official user guide. To obtain the user guide, visit the following link:
4.2 Code Fix
This vulnerability exists in the ThinkPHP Request class for processing requests. Users can also fix this vulnerability by improving the Request class. For details, visit the following link:
Use the editor to open \thinkphp\library\think\Request.php and locate the code in lines 525 and 526:
Save the changes.
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