[FD] Lithium Forum - (previewImages) Persistent Vulnerability

Document Title: =============== Lithium Forum - (previewImages) Persistent Vulnerability References (Source): ==================== http://ift.tt/1Tf3Xej Release Date: ============= 2015-12-18 Vulnerability Laboratory ID (VL-ID): ==================================== 1521 Common Vulnerability Scoring System: ==================================== 4.6 Product & Service Introduction: =============================== Lithium Technologies provides social customer experience management software for the enterprise. Headquartered in San Francisco, Lithium has additional offices in London, Austin, Paris, Sydney, Singapore, New York, and Zürich. Lithium was founded in 2001 as a spin-out from GX Media, which created technologies for professional rankings and tournaments and now hosts a number of popular gaming sites. The company`s founders include brothers Lyle Fong and Dennis Fong, who together also founded GX Media, as well as Kirk Yokomizo, John Joh, Nader Alizadeh, Michel Thouati, Michael Yang, and Matt Ayres. The company sells largely to enterprise customers, including HP, Best Buy, Research In Motion, Sony, Comcast, Symantec, and AT&T. (Copy of the Vendor Homepage: http://ift.tt/1Olf72Q ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Research Team discovered an application-side input validation web vulnerability in the official Lithium Forum online service web-application. Vulnerability Disclosure Timeline: ================================== 2015-06-13: Researcher Notification & Coordination (Hadji Samir - Evolution Security GmbH) 2015-06-15: Vendor Notification (Security Team) 2015-09-30: Vendor Response/Feedback (Security Team) 2015-11-12: Vendor Fix/Patch (Developer Team) 2015-12-18: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Lithium Technologies Product: Lithium Forum - Web Application (API) 2015 Q2 Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ An application-side input validation web vulnerability has been discovered in the official Lithium Forum online service web-application. The vulnerability allows remote attacker to inject own malicious script codes to the application-side of the vulnerable module/function. The vulnerability is located at the previewImages value of the file upload module. Remote attackers are able to inject malicious script codes to the file upload module POST method request to compromise the `Community > Albums (unmoderated%3Amedia)` module. The attack vector of the vulnerability is located on the application-side of the service and the request method to inject is POST. The execution point is the vulnerable Albums listing service. Due to the testings and research we figured out that several high class vendors using the commercial lithium web-application like ebay, vodafone, paypal, microsoft, skype and sony. The security risk of the application-side web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 4.7. Exploitation of the persistent web vulnerability requires a low privilege web application user account and low user interaction (click or forward). Successful exploitation of the vulnerability results in session hijacking, persistent phishing, persistent external redirects, persistent load of malicious script codes or persistent web module context manipulation. Affected Request Method(s): [+] POST Vulnerable Module(s): [+] Lithium Forum - Community > File Upload (Image) Vulnerable Parameter(s): [+] previewImages Affected Service(s): [+] Lithium Forum - Community > Albums (unmoderated%3Amedia) Proof of Concept (PoC): ======================= The persistent input validation 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 security vulnerability follow the provided information and steps below to continue. Manual steps to reproduce the vulnerability ... 1. Register an lithium forum account and login to the web-application 2. Open link /t5/media/gallerypage 3. click add images 4. Upload image with name ">.png 5. Click select an album and save 6. The first execution of the payload occurs in the comment delete function the second execution occurs in the album to authorize listing 7. Successful reproduce of the vulnerability! PoC: Delete Comment - Lithium Forums

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Re: ">.png">.png

PoC: Album Title - Lithium Forums

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