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SecurityAlert : 3803 CVE : CVE-2008-1699 SecurityRisk : Medium  (About) Remote Exploit : Yes Local Exploit : No Exploit Given : No Credit : katharsis Published : 11.04.2008
Advisory Text : [>>] Writer's Block SQL Injection Vulnerabilities [<<] [x] Vendor Information "If the written word is the wheel, then Writer's Block is the sweet, sweet fossil fuel in the engine that keeps it spinning. A free, flexible, elegant Content Management System that helps you maintain any web site you want, at any size you want, with no hassle and no restrictions. In fact, it's running this entire site right now." http://www.desiquintans.com [x] Attack Information The variable "PostID" can be filled with malicious content to execute SQL code: ---- permalink.php, line 212: $getpost = @mysql_query("SELECT Title, Timestamp, Body, PostCat1, PostCat2, PostCat3, PostCat4, Author FROM ".POSTS_TBL." WHERE PostID='".$_GET['PostID']."' AND Draft=0"); ---- permalink.php, line 298: $prevlink = mysql_query("SELECT PostID FROM ".POSTS_TBL." WHERE PostID<".$_GET['PostID']." AND Draft=0 ORDER BY Timestamp DESC LIMIT 1"); ---- permalink.php, line 304: $nextlink = mysql_query("SELECT PostID FROM ".POSTS_TBL." WHERE PostID>".$_GET['PostID']." AND Draft=0 ORDER BY Timestamp ASC LIMIT 1"); ---- [x] Exploit The issue can be exploited through a web browser. [x] Patch Just add an intval(): ---- permalink.php, line 212: $getpost = @mysql_query("SELECT Title, Timestamp, Body, PostCat1, PostCat2, PostCat3, PostCat4, Author FROM ".POSTS_TBL." WHERE PostID='".intval($_GET['PostID'])."' AND Draft=0"); ---- permalink.php, line 298: $prevlink = mysql_query("SELECT PostID FROM ".POSTS_TBL." WHERE PostID<".intval($_GET['PostID'])." AND Draft=0 ORDER BY Timestamp DESC LIMIT 1"); ---- permalink.php, line 304: $nextlink = mysql_query("SELECT PostID FROM ".POSTS_TBL." WHERE PostID>".intval($_GET['PostID'])." AND Draft=0 ORDER BY Timestamp ASC LIMIT 1"); ---- [x] Credits The vulnerability has been discovered by katharsis - www.katharsis.x2.to  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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