Remote Code Execution through Extension Bypass on Log Functionality
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原文摘录
摘自原文（6253 字符中的一小部分）
The Application concrete5 CMS available on github is vulnerable to remote code execution through the functionality of setting the log file in "Loggin Settings". It is possible to bypass the portion of code responsible for the verification of the extension of the log file (.log).
原文中的代码
public function update_logging()
{
$config = $this->app->make('config');
if (!$this->token->validate('update_logging')) {
$this->error->add($this->token->getErrorMessage());
}
if ($this->request->request->get('handler') == 'file' && …默认不展示报告全文。以上为简短摘录，完整复现过程请阅读原文。版权归研究员与 Concrete CMS 所有。
时间线
- 报告提交
- 公开披露
阅读 HackerOne 原文 ↗作者 @mayllart · 版权归作者与 Concrete CMS 所有