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Huawei ISM Professional XSS Vulnerability



Title: Huawei ISM Professional XSS Vulnerability
Software : ISM Professional OceanStor

Software Version : Copyright©Huawei Technologies Co., Ltd. 2009-2010. All rights reserved.

Vendor: www.huawei.com

Vulnerability Published : 2016-07-25

Author:zhiwei_jiang 
Email:ak47464659484@xxxxxxxxx
Impact : Medium(CVSS2 Base : 4.3, AV:N/AC:M/Au:N/C:N/I:P/A:N)

Bug Description :
The ISM consists of device management software, cloud storage management software, and storage network management software. The device management software, downloaded over JWS or installed through a CD-ROM, is applies to the management of Huawei Symantec storage devices, the cloud storage management software applies to the management of Huawei Symantec storage devices and resources and the storage network management software applies to the management of Huawei Symantec SAN storage devices. The cloud storage management software and storage network management software are deployed on independent servers and users can access the software through browsers.
ISM Professional (ver Huawei Technologies Co., Ltd. 2009-2010.) The server reads data directly from the HTTP request and reflects it back in the HTTP response. Reflected XSS exploits occur when an attacker causes a victim to supply dangerous content to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. The most common mechanism for delivering malicious content is to include it as a parameter in a URL that is posted publicly or e-mailed directly to the victim. URLs constructed in this manner constitute the core of many phishing schemes, whereby an attacker convinces a victim to visit a URL that refers to a vulnerable site. After the site reflects the attacker's content back to the victim, the content is executed by the victim's browser. 

PoC:
http://x.x.x.x/cgi-bin/doLogin_CgiEntry
POST:
cfgBtn=&brand=sp&copyright=hst&lang=en&lang=en&loginName=en<body%20onload%3dalert(/xss/)>&loginPassword=test


Solution :
Using such encode functions as htmlencode() or filtering those certain symbols regarding JavaScript as well as Html.