Advisory: Eggblog <= 3.x Multiple Remote Vulnerabilities

–Security Report–
Advisory: Eggblog <= 3.x Multiple Remote Vulnerabilities

Author: Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI

Date: 27/05/06 06:15 PM

Contacts:{
ICQ: 10072
MSN/Email: [email protected]
Web: http://www.nukedx.com
}

Vendor: Eggblog (http://www.eggblog.net/&#41;
Version: 3.0.6 and prior versions must be affected.
About: Via this method remote attacker can inject arbitrary SQL
queries to Eggblog.This SQL injection works with
Eggblog version 3.0.6 and below.The problem is that id parameter id
rss/posts.php did not sanitized properly before using
it in SQL query.This caused to remote attacker inject arbitrary SQL
queries and execute them.This SQL injection needs
magic_quotes_gpc off.
There is another problem in Eggblog 2.x.In registration member
register status did not sanitized properly.This caused to
remote attacker "register new member" as a admin nick and get
administration privileges on Eggblog.
Level: Critical

How&Example:
GET -> http://[site]/[EggBlog]/rss/posts.php?id=SQL
EXAMPLE ->
http://[site]/[EggBlog]/rss/posts.php?id=1'//UNION//SELECT//0,concat('Username:%20',username),
concat('Password:%20',password)//from/**/eggblog_members/*
POST/EXAMPLE ->
http://[site]/[EggBlog]/home/register.php?username=victim&password=password&[email protected]&ref=

Timeline:

• 27/05/2006: Vulnerability found.
• 27/05/2006: Contacted with vendor and waiting reply.

Exploit: http://www.nukedx.com/?getxpl=36

Original advisory can be found at: http://www.nukedx.com/?viewdoc=36