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Document Title: =============== Cisco (Newsroom) - Client Side Cross Site Scripting Vulnerability References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=1464 Release Date: ============= 2015-04-24 Vulnerability Laboratory ID (VL-ID): ==================================== 1464 Common Vulnerability Scoring System: ==================================== 2.5 Product & Service Introduction: =============================== Cisco Systems, Inc. is an American multinational corporation headquartered in San Jose, California, that designs, manufactures, and sells networking equipment. The stock was added to the Dow Jones Industrial Average on June 8, 2009, and is also included in the S&P 500 Index, the Russell 1000 Index, NASDAQ-100 Index and the Russell 1000 Growth Stock Index. (Copy of the Homepage: http://en.wikipedia.org/wiki/Cisco_Systems ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Research Team discovered a client-side cross site scripting web vulnerability in the official Cisco Newsroom online service web-application. Vulnerability Disclosure Timeline: ================================== 2015-04-24: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Cisco Product: Newsroom - Web Application (Online Service) 2015 Q1 Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ A non persistent cross site scripting web vulnerability has been discovered in the official Cisco Newsroom online service web-application. The vulnerability allows remote attackers to hijack website customer, moderator or admin sessions data by client-side manipulated cross site requests. The vulnerability is located in the `articleId` value of the cisco newsroom service module. Remote attackers are able to inject own script codes to the vulnerable GET method request of thenewsroom module. The attack vector of the vulnerability is located on the client-side of the newsroom service web-application. The request method to inject the script code on client-side is `GET`. The injection point of the issue is the vulnerable `articleId` value in the newsroom and the script code execution point is located in the exception-handling module page. The exception-handling displays the input without secure encoding which results in the client-side script code execution. The security risk of the non-persistent input validation web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.4. Exploitation of the client-side cross site scripting web vulnerability requires low user interaction (click) and no privileged application user account. Successful exploitation results in client-side account theft by hijacking, client-side phishing, client-side external redirects and non-persistent manipulation of affected or connected service modules. Request Method(s): [+] GET Vulnerable Service(s): [+] Cisco Newsroom Vulnerable Module(s): [+] Newsroom Vulnerable Parameter(s): [+] articleId Affected Section(s): [+] Exception-handling (Cisco Newsroom Webserver) Proof of Concept (PoC): ======================= The vulnerability can be exploited by remote attackers without privileged application user account and with low or medium user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue. PoC: Exception-Handling Vulnerability <div class="portlet-msg-error"> No Article exists with the articleId=" --><iframe src="x" onload="alert(document.cookie)">.</div> --- PoC Session Logs [GET] --- Host=newsroom.cisco.com User-Agent=Mozilla/5.0 (X11; Linux i686; rv:36.0) Gecko/20100101 Firefox/36.0 Accept=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language=en-US,en;q=0.5 Accept-Encoding=gzip, deflate Cookie=__cfduid=d0badc5a5542aab093f77ec7b2c7fcb4e1426397090; _mkto_trk=id:010-KNZ-501&token:_mch-cisco.com-1426397096496-85931; s_nr=1426612128335-Repeat; v1st=F94588C905A69AF; CP_GUTC=18.104.22.168.1426397309701574; _ga=GA1.2.915487673.1426397317; GUEST_LANGUAGE_ID=en_US; COOKIE_SUPPORT=true; _ga=GA1.3.915487673.1426397317; __unam=1119172-14c1bebf7bd-10eb7fb3-50; __utma=174467517.915487673.1426397317.1426397593.1426451546.2; __utmz=174467517.1426451546.2.2.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided); _actmu=161136040.703418129.1426397801884.1426397801884; FBT_LTBox_PR=yes; utag_main=v_id:014c1f3316c3001cd060059682a902042002f0090086e$_sn:3$_ss:1$_st:1426465861885$_pn:1%3Bexp-session$ses_id:1426464061885%3Bexp-session; JSESSIONID=6589D463BF249D67B9B8F40AD5973DDE; undefined=0; mygallerypersist=0; __utmc=174467517; s_cc=true; s_ria=flash%2011%7C; cdc_ut=prevacct:cisco-us%2Ccisco-newsatcisco$accesslevel:guest$ts:1426612115239$customEvents:; s_suite=cisco-us,cisco-newsatcisco; s_country=US; s_language=en; s_sq=%5B%5BB%5D%5D; s_ppv=35; ObSSOCookie=mdeeW%2BwzPp%2FHuAjfbay5gq9VCphOfELvYcvAbmb10rcmkqL%2BoN5WuZW3zD%2BWp3iH%2B0Bdm3eP7th2faHmHu5fk2aOV1lgAc8IjLwgkabZNO6g9soQJYR%2Bp1j%2Bakulkb4q%2BMiybdSb2wiTgPaH26TXgvtqARFPLLeVxeQ3VmDd121e00naIL8JzpatIZ%2BATa0svqvtsEKd2W5n9MNimkrvvb7LeslMcpTbAtC3p%2FfQ0ulKkvun4e0VNGCOedx51KoHFbvVyLMkkKkCvWp1N032L0KoF21ITcCYKwH7TGwQeBGg5PYKbBJsJlt%2FpfKF4dEZwtEI6PuGzMtF1b5grDwdw%2FjHlku%2FIHPR1oLGp3HWwEU9aHrMDzb4BGFoBaI3rAzU; wasOnLoginPage=false; loginPageReferrer=; PAPPS-Loc=papps-prod1.cisco.com; _gat_UA-23583380-1=1; _gat_newsroom=1; _gat_marketing=1; s_dfa=cisco-us%2Ccisco-newsatcisco; s_pv=newsroom.cisco.com%2Fexecbio-detail Connection=keep-alive Reference(s): http://newsroom.cisco.com Solution - Fix & Patch: ======================= The vulnerability has been fixed/patched by the cisco developer team since 24th april 2015. Security Risk: ============== The security risk of the client-side cross site scripting web vulnerability in the newsroom service is estimated as medium. (CVSS 2.5) Credits & Authors: ================== Vulnerability Laboratory [Research Team] - Hadji Samir [firstname.lastname@example.org] 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. 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