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Date: Tue, 17 Feb 2015 18:57:23 +0100
From: Stiehl <>
To: <>
Subject: [FD] [CVE-REQUEST] Multiple vulnerabilities on GLPI

Multiple vulnerabilities have been identified in GLPI 

1/ Arbitrary file upload
Severity: Important

Versions Affected
All versions between 0.85 and 0.85.2

When an user wants to create a new ticket, he has the possibility to add 
an attachment. If for example he wants to add a file named "test.php" 
with or without adding the ticket, the file will be temporary uploaded 
to GLPI_ROOT/files/_tmp/test.php. We can then directly access this file 
through http://host/GLPI_ROOT/files/_tmp/test.php and by default the php 
code will be interpreted.

To trigger this vulnerability we need an account that disposes of the 
rights to create a ticket.

This vulnerability is a combination of three issues:
- predictable uploaded file names (not randomized)
- upload of unauthorized file extensions
- temporary uploaded files not deleted if using an unauthorized file 

By uploading a php file that will be interpreted a malicious user would 
be able to execute arbitrary code on the server.

Upgrade to GLPI 0.85.3 (


2/ Privilege escalation
Severity: Important

Versions Affected
All versions <= 0.85.2

Taking the default account tech, he is only allowed to add users in the 
following groups: Self-Service, Technician. He has not the right over, 
for example, the super-admin group. So he cannot add the super-admin 
privileges to an  existing user.

The problem is when creating a new user. When intercepting the POST 
request (GLPI_ROOT/front/user.form.php) of a user creation and modifying 
the _profiles_id parameter (corresponding to the group attached to the 
user) to 4, the new user will have the super-admin privileges.

Any user who has the rights to create a new user can create a 
super-admin user.

Upgrade to GLPI 0.85.3 (


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