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Vulnerability of Joomla Virtuemart: directory traversal

Synthesis of the vulnerability 

An attacker can traverse directories of Joomla Virtuemart, in order to read a file outside the service root path.
Vulnerable software: Joomla Extensions ~ not comprehensive.
Severity of this announce: 2/4.
Creation date: 23/01/2015.
Références of this computer vulnerability: VIGILANCE-VUL-16039.

Description of the vulnerability 

The Virtuemart extension can be installed on Joomla.

However, user's data are directly inserted in an access path. Sequences such as "/.." can thus be used to go in the upper directory.

An attacker can therefore traverse directories of Joomla Virtuemart, in order to read a file outside the service root path.
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This vulnerability impacts software or systems such as Joomla Extensions ~ not comprehensive.

Our Vigil@nce team determined that the severity of this security announce is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this computer vulnerability note.

Solutions for this threat 

Joomla Virtuemart: version 3.0.4.
The version 3.0.4 is fixed:
  http://virtuemart.net/

Joomla Virtuemart: workaround.
A workaround is to disable Joomla Virtuemart.
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