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Home SecurityAlert Database |
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Topic : | Writer's Block SQL Injection Vulnerabilities
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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
Affected Software : | Desiquintans, Writers_block_cms, 3.8a |
 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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