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Saturday, July 4, 2015

[FD] Google HTTP Live Headers v1.0.6 - Client Side Cross Site Scripting Web Vulnerability

Document Title: =============== Google HTTP Live Headers v1.0.6 - Client Side Cross Site Scripting Web Vulnerability References (Source): ==================== http://ift.tt/1GQsZIA Release Date: ============= 2015-07-02 Vulnerability Laboratory ID (VL-ID): ==================================== 1541 Common Vulnerability Scoring System: ==================================== 3.3 Product & Service Introduction: =============================== The Chrome Web Store is Google`s online store for web applications for Google Chrome or Google Apps. It was announced at the Google I/O conference on May 19, 2010 by Vic Gundotra and released on December 6, 2010. The software allows users to install and run web applications for the Google Chrome browser. The Chrome Web Store user experience and design was created by Fi. Applications, browser themes and extensions in the store are written in HTML, CSS, JavaScript and Google Apps Script and, from Chrome 14, can use Google Native Client. The store hosts free and paid applications.An example of applications available in the store includes the game Plants vs. Zombies. The Store has been described as being like Google Play, but for `apps on the web`. A visual and UI overhaul of the store was announced on October 25, 2011. (Copy of the Homepage: http://ift.tt/1GWr5ad ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Research Team discovered a client-side cross site scripting web vulnerability in the official Google (Chrome Webstore) HTTP Live Headers v1.0.6 addon. Vulnerability Disclosure Timeline: ================================== 2015-07-02: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ A client-side cross site scripting web vulnerability has been discovered in the official Google (Chrome Webstore) HTTP Live Headers v1.0.6 addon. The non-persistent cross site vulnerability allows remote attackers to inject own script code to the client-side of the vulnerable online-service module. The vulnerability is located in the `url` value of the `HTTP LIVE HEADERS` module. Remote attackers are able to inject own script codes to client-side application requests. The attack vector is non persistent and the request method to inject/execute is GET. The vulnerable source is located in the google chrome http live headers v1.0.6 addon. The security risk of the cross site web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.3. Exploitation of the cross site scripting web vulnerability requires no privilege web application user account and low or medium user interaction. 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 Module(s): [+] HTTP LIVE HEADERS Vulnerable File(s): [+] /webstore/detail/live-http-headers/iaiioopjkcekapmldfgbebdclcnpgnlo/reviews Vulnerable Parameter(s): [+] URL Proof of Concept (PoC): ======================= The client-side cross site scripting web vulnerability can be exploited by remote attackers without privilege 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:
GET /#">

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