# Application: Oracle WebCenter Sites (FatWire Content Server) # Versions Affected: 7.x < 11gR1 # Vendor URL: http://oracle.com # Bugs: Multiple XSS Oracle WebCenter Sites (FatWire Content Server) 7.x < 11gR1 # Sent: 18.12.2017 # Reported: 18.12.2017 # Date of Public Advisory: 14.04.2018 # Reference: Oracle Security Note S0932669 # Author: Richard Alviarez (SIA Group) Description 1. #+# ADVISORY INFORMATION Title: Multiple XSS Oracle WebCenter Sites (FatWire Content Server) 7.x < 11gR1 Advisory ID: S0932669 Risk: High Date published: 15.04.2018 Vendors contacted: Oracle 2. #+# VULNERABILITY INFORMATION Class: Authorization Impact: Information leakage Remotely Exploitable: Yes Locally Exploitable: No CVE: CVE-2018-2791 CVSS Information * CVSSv3 Base Score: 8.2 * CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N 3. #+# VULNERABILITY DESCRIPTION The backend of the Content Server is prone to permanent and reflected Cross-Site Scripting attacks. The vulnerability can be used to include HTML- or JavaScript code to the affected web page. The code is executed in the browser of users if they visit the manipulated site. The vulnerability can be used to change the contents of the displayed site, redirect to other sites or steal user credentials. Additionally, Portal users are potential victims of browser exploits and JavaScript Trojans. 4. #+# VULNERABLE PACKAGES Multiple XSS Oracle WebCenter Sites (FatWire Content Server) 7.x < 11gR1 Other versions are probably affected too, but they were not checked. 5. #+# SOLUTIONS AND WORKAROUNDS To fix the vulnerability, upgrade to version. 6. #+# AUTHOR Richard Alviarez (SIA Group) 7. #+# TECHNICAL DESCRIPTION A possible attacker can take advantage of the vulnerability to inject javascript code in order to perform several attack vectors, such as identity theft (cookie theft), redirection to malicious external sites, phishing attacks among others. Steps to exploit this vulnerability 1. Open https://WEB/servlet/Satellite?c=Noticia&cid={ID}&pagename= OpenMarket/Gator/FlexibleAssets/AssetMaker/confirmmakeasset&cs_imagedir= eee%22%3E%3Cscript%3Ealert(123)%3C/script%3E%3C Note: {ID} Change for ID to site example (1362484193835) Other vulnerable parameters: 2. servlet/Satellite?c=Noticia&cid={ID}&pagename=OpenMarket/ Gator/FlexibleAssets/AssetMaker/confirmmakeasset& cs_imagedir=eee"