[FD] Adobe - Multiple Client Side Cross Site Scripting Web Vulnerabilities

Document Title: =============== Adobe - Multiple Client Side Cross Site Scripting Web Vulnerabilities References (Source): ==================== http://ift.tt/1Vg0xZN PSIRT ID: 4260 / 4261 Release Date: ============= 2016-02-15 Vulnerability Laboratory ID (VL-ID): ==================================== 1628 Common Vulnerability Scoring System: ==================================== 3 Product & Service Introduction: =============================== Whether it is a smartphone or tablet app, a game, a video, a digital magazine, a website, or an online experience, chances are that it was touched by Adobe technology. Our tools and services enable our customers to create groundbreaking digital content, deploy it across media and devices, and then continually measure and optimize it based on user data. By providing complete solutions that combine digital media creation with data-driven marketing, we help businesses improve their communications, strengthen their brands, and ultimately achieve greater business success. (Copy of the Vendor Homepage: http://ift.tt/1m8vdyM) Abstract Advisory Information: ============================== An independent vulnerability laboratory researcher discovered multiple client-side vulnerabilities in the official adobe online-service web-application. Vulnerability Disclosure Timeline: ================================== 2015-10-29: Researcher Notification & Coordination (Daniel Díez Tainta - DaniLabs) 2015-10-30: Vendor Notification (Adobe PSIRT - Security Acknowledgements) 2015-11-03: Vendor Response/Feedback (Adobe PSIRT - Security Acknowledgements) 2015-02-03: Vendor Fix/Patch (Adobe - Developer Team) 2015-02-14: Security Reward (Adobe PSIRT - Security Acknowledgements) 2015-02-15: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Adobe Systems Product: Online Service - Web Application 2015 Q4 Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ Multiple client-side web vulnerabilities has been discovered in the official Adobe (arvato) online service web-application. The first vulnerability is a Cross Site Scripting of type reflected. The second vulnerability is an open redirect is an application that takes a parameter and redirects an user to the parameter value without any validation. The vulnerability is located in the `tduid` and `url` parameter values of the arvato_redirect.html file GET method request. The `tduid` parameter receives as argument `0`. The `url` parameter receives as argument an url or javascript code. Remote attackers are able to inject script codes to the client-side browser to application GET method requests. The attack vector of the issues are client-side and the request method to inject is GET. An attacker can send an url like http://ift.tt/1jnqRwA and the request redirect to the external target url without approval. An attacker can also send a javascript code like `javascript:alert(documen.cookie)` and the request executes without secure validation. The security risk of the client-side web vulnerabilities are estimated as medium with a cvss (common vulnerability scoring system) count of 3.0. Exploitation of the non-persistent web vulnerabilities requires no privileged web application user account and low or medium user interaction. Successful exploitation of the vulnerability results in session hijacking, non-persistent phishing, non-persistent external redirects, non-persistent load of malicious script codes or non-persistent web module context manipulation. Request Method(s): [+] GET Vulnerable Module(s): [+] Adobe - arvato Vulnerable File(s): [+] arvato_redirect.html Vulnerable Parameter(s): [+] tduid [+] url Proof of Concept (PoC): ======================= The client-side vulnerabilities can be exploited by remote attackers without privileged web-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: Cross Site Scripting http://ift.tt/1VrKWpT http://ift.tt/1KuklYV PoC: Open Redirect http://ift.tt/1VrKYhw

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