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WEBERA ALERT ADVISORY 02
- Discovered by: Anthony Dubuissez
- Severity: high
- CVE Request  05/06/2013
- CVE Assign  06/06/2013
- CVE Number  CVE-2013-3961
- Vendor notification  06/06/2013
- Vendor reply  10/06/2013
- Public disclosure  11/06/2013
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I. VULNERABILITY -
iSQL in php-agenda <= 2.2.8

II. BACKGROUND -
Simple Php Agenda is  a simple agenda tool written in PHP with MySQL backend. An agenda tool accessible everywere 
theres internet .

III. DESCRIPTION -
Php-Agenda 2.2.8 and lower versions contain a flaw that allows an authenticated user iSQL attack. This flaw exists 
because the application does not properly sanitize parameters (only rely on mysql_real_escape_string() funcion ) in the 
edit_event.php file. This allows an attacker to create a specially crafted URL to dump multiple informations of the 
databases content.
A valid account is required.

IV. PROOF OF CONCEPT -
dumping login and password of the first admin
iSQL: 
http://server/edit_event.php?eventid=1%20union%20select%201,2,3,username,password,6,7,8,9%20from%20users%20where%20userlevel=9%20limit%200,1

V. BUSINESS IMPACT -
iSQL: We can get sensitive information with the vulnerabilities that can escalate to a complete administrator account.

VI. SYSTEMS AFFECTED -
Php-Agenda 2.2.8 and lower versions

VII. SOLUTION -
sanitize correctly the GET/POST parameter. (dont rely on the mysql_real_escape_string() functions only)

VIII. REFERENCES -
http://www.webera.fr/advisory-02-php-agenda-isql-exploit/

IX. CREDITS - 
the vulnerability has been discovered by Anthony Dubuissez (anthony (dot) dubuissez (at) webera (dot) fr).

X. DISCLOSURE TIMELINE -
June 05, 2013: Vulnerability acquired by Webera
June 06, 2013: Sent to vendor.
June 10, 2013: Reply of vendor, vendor release bugfix in version 2.2.9
June 11, 2013: Advisory published and sent to lists.

XI. LEGAL NOTICES -
The information contained within this advisory is supplied  as-is  with no warranties or guarantees of fitness of use 
or otherwise.Webera accepts no responsibility for any damage caused by the use or misuse of this information.

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