BugTraq
SQL Injection Vulnerability in FuzzyMonkey MyClassifieds SQL Version Oct 21 2003 04:01PM
Sintelli SINTRAQ (sintraq sintelli com)
SQL Injection Vulnerability in FuzzyMonkey MyClassifieds SQL Version
18 October 2003

Original Advisory
http://www.sintelli.com/adv/sa-2003-04-myclassified.pdf

Background
My Classifieds SQL is a Perl/CGI/MySQL script which will quickly and easily
allow the hosting of a classifieds forum on a website.
.
More information about the product is available here:
http://fuzzymonkey.org/newfuzzy/software/perl/classifieds/readme.html

Description
MyClassifieds SQL Version is vulnerable to a SQL injection attack. The
problem is due to improper sanitization of user input for the $email
variable. A remote attacker could insert arbitrary SQL code in the $email
variable. The passwords of the users can be written into a file and made
world readable.

Example:
If the value of $email is aaa (at) aaa (dot) com [email concealed]' OR 1=1 INTO OUTFILE
'/<directory-path>/pass.txt, the SQL request becomes:

select passmd5 from people where email=' aaa (at) aaa (dot) com [email concealed]' OR 1=1 INTO OUTFILE
'/<directory-path>/pass.txt'

and the passwords of the users can be written into the file pass.txt.

Impact
It is possible for an attacker to obtain passwords of users.

Versions affected
Version 2.11

Solution
Upgrade to version 2.13
http://www.fuzzymonkey.org/files/myclassifiedssql-2.13.tar.gz

Vulnerability History
15 Oct 2003 Identified by Ezhilan of Sintelli
15 Oct 2003 Issue disclosed to FuzzyMonkey (Erin)
16 Oct 2003 Vulnerability confirmed by Erin
18 Oct 2003 Fix available
18 Oct 2003 Sintelli confirms vulnerability has been addressed
18 Oct 2003 Sintelli Public Disclosure

Credit
Ezhilan of Sintelli discovered this vulnerability.

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Copyright 2003 Sintelli Limited. All rights reserved. www.sintelli.com

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