PT-2013-62: Internal Network Resources Access in Web Viewer for Samsung DVR Vulnerable softwareWeb Viewer for Samsung DVRLink: https://www.samsung-security.com/products/video-recording-and-management/dvr.aspxSeverity levelSeverity level: High Impact: Internal network resources access; Access rights to view and control the cameras, add/manage/delete users Access Vector: Remote CVSS v2: Base Score: 7.6 Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)CVE: CVE-2013-3586Software descriptionWeb Viewer for Samsung DVR allows you to get remote access to security cameras.Vulnerability descriptionThe specialists of the Positive Research center have detected "Internal Network Resources Access" vulnerability in Web Viewer for Samsung DVR.The vulnerability allows attackers to get unauthorized access to view and control the cameras via unsafe cookies parsing. If an attacker sends the request with set cookie 'SessionID' to server with Web Viewer for Samsung DVR, web-server will provide access to internal pages, including page with users credentials.How to fixNo solution is availableWorkaroundRestrict access to the Samsung Web Viewer for Samsung DVR interface Restrict access to the Samsung DVR Web Viewer interface to trusted networks. If there is such a possibility, configure management and transit networks for separate VLANs, or restrict access to the device using IP access lists.Advisory status 10.04.2013 - Vendor is notified 30.05.2013 - Vulnerability details were sent to CERT 30.08.2013 - Public disclosureCreditsThe vulnerability was detected by Andrey Bezborodov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2013-62 http://www.kb.cert.org/vuls/id/882286 Reports on the vulnerabilities previously discovered by Positive Research:http://ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/
