Advisory ID: HTB23301
Product: GLPI
Vendor: INDEPNET 
Vulnerable Version(s): 0.90.2 and probably prior
Tested Version: 0.90.2
Advisory Publication:  April 8, 2016  [without technical details]
Vendor Notification: April 8, 2016 
Vendor Patch: April 11, 2016 
Public Disclosure: April 29, 2016 
Vulnerability Type: SQL Injection [CWE-89]
Risk Level: High 
CVSSv3 Base Score: 7.1 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L]
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( 
https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge Security Research Lab discovered a high-risk SQL injection 
vulnerability in a popular Information Resource Manager (IRM) system GLPI. IRM 
systems are usually used for management and audit of software packages, 
providing ITIL-compliant service desk. The vulnerability allows remote 
non-authenticated attacker to execute arbitrary SQL queries, read and write 
data to the application's database and completely compromise the vulnerable 
system.

The vulnerability exists due to insufficient filtration of user-supplied data 
passed via the "page_limit" HTTP GET parameter to 
"/ajax/getDropdownConnect.php" PHP script. A remote unauthenticated attacker 
can alter present SQL query, inject and execute arbitrary SQL command in 
application's database.

Below is a simple SQL Injection exploit, which uses time-based exploitation 
technique. The page will load time will be significantly higher if MySQL 
version is 5.X or superior:

http://[host]/ajax/getDropdownConnect.php?fromtype=Computer&itemtype=Computer&page=1&page_limit=1%20PROCEDURE%20analyse%28%28select%20extractvalue%28rand%28%29,concat%280x3a,%28IF%28MID%28version%28%29,1,1%29%20LIKE%205,%20BENCHMARK%285000000,SHA1%281%29%29,1%29%29%29%29%29,1%29


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Solution:

Update to GLPI 0.90.3

More Information:
http://www.glpi-project.org/spip.php?page=annonce&id_breve=358&lang=en
https://github.com/glpi-project/glpi/issues/581

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References:

[1] High-Tech Bridge Advisory HTB23301 - 
https://www.htbridge.com/advisory/HTB23301 - SQL Injection in GLPI.
[2] GLPI - http://www.glpi-project.org - GLPI is the Information Resource 
Manager with an additional Administration Interface.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to 
developers and security practitioners, CWE is a formal list of software 
weakness types.
[4] ImmuniWeb® - https://www.htbridge.com/immuniweb/ - web security platform by 
High-Tech Bridge for on-demand and continuous web application security, 
vulnerability management, monitoring and PCI DSS compliance.
[5] Free SSL/TLS Server test - https://www.htbridge.com/ssl/ - check your SSL 
implementation for PCI DSS and NIST compliance. Supports all types of protocols.

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Disclaimer: The information provided in this Advisory is provided "as is" and 
without any warranty of any kind. Details of this Advisory may be updated in 
order to provide as accurate information as possible. The latest version of the 
Advisory is available on web page [1] in the References.

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