Elcom CMS 7.4.10 – Community Manager Insecure Arbitrary File Upload
Elcom CMS - Community Manager Insecure File Upload Vulnerability - Security Advisory - SOS-12-008 Release Date. 24-Aug-2012 Last Update. - Vendor Notification Date. 28-Oct-2011 Product. Elcom CMS - Community Manager Platform. ASP.NET Affected versions. Elcom Community Manager version 7.4.10 and possibly others Severity Rating. High Impact. Exposure of system information Exposure of sensitive information System Access Attack Vector. Remote with authentication Solution Status. Fixed in version 7.5 and later (not verified by SOS) CVE reference. CVE - not yet assigned Details. The https://[server]/UploadStyleSheet.aspx script does not validate the file type passed in the parameter "myfile0" on the server side allowing the uploading and execution of ASPX files. An attacker can upload an ASPX web shell and execute commands with web server user privileges. Proof of Concept (port scanning). A shell uploaded using the vulnerable (https://[server]/UploadStyleSheet.aspx) script can be accessed at the following location: https://[server]/UserUploadedStyles/shell.aspx Solution. Upgrade to version 7.5 or later. Discovered by. Phil Taylor and Nadeem Salim from Sense of Security Labs. About us. Sense of Security is a leading provider of information security and risk management solutions. Our team has expert skills in assessment and assurance, strategy and architecture, and deployment through to ongoing management. We are Australia's premier application penetration testing firm and trusted IT security advisor to many of the country's largest organisations. Sense of Security Pty Ltd Level 8, 66 King St Sydney NSW 2000 AUSTRALIA T: +61 (0)2 9290 4444 F: +61 (0)2 9290 4455 W: http://www.senseofsecurity.com.au/consulting/penetration-testing E: info@senseofsecurity.com.au Twitter: @ITsecurityAU The latest version of this advisory can be found at: http://www.senseofsecurity.com.au/advisories/SOS-12-008.pdf Other Sense of Security advisories can be found at: http://www.senseofsecurity.com.au/research/it-security-advisories.php |