PT-2013-61: Disclosure of sensitive information 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: Medium Impact: Access to sensitive information Access Vector: Remote CVSS v2: Base Score: 5.0 Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)CVE: CVE-2013-3585Software descriptionWeb Viewer for Samsung DVR allows you to get remote access to security cameras.Vulnerability descriptionThe specialists of the Positive Research center have detected "Disclosure of sensitive information" vulnerability associated with Absence of Password Hashing in Web Viewer for Samsung DVR.Users credentials (logins and passwords) are stored in plaintext at pages, not hashed or encrypted. This Vulnerability allows attackers to get an unauthorized access to view and control the cameras via unsafe web-server configuration. If an attacker sends the packet with specially crafted cookies to server with Web Viewer for Samsung DVR, web-server will provide access to internal pages, including page with users credentials. Local user can get all other 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-2013-61 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/
