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SupportCenter Plus 7.9 Cross Site Scripting

SupportCenter Plus 7.9 Cross Site Scripting
Posted Jan 29, 2015
Authored by High-Tech Bridge SA | Site htbridge.com

SupportCenter Plus version 7.9 suffers from a cross site scripting vulnerability.

tags | exploit, xss
advisories | CVE-2015-0866
SHA-256 | d131e51f9d4f84b47ce89564902bd285461a72417d6720d9dc2d4bb58a8e2a66

SupportCenter Plus 7.9 Cross Site Scripting

Change Mirror Download
Advisory ID: HTB23247
Product: SupportCenter Plus
Vendor: Zoho Corp.
Vulnerable Version(s): 7.9 and probably prior
Tested Version: 7.9
Advisory Publication: January 7, 2015 [without technical details]
Vendor Notification: January 7, 2015
Vendor Patch: January 23, 2015
Public Disclosure: January 28, 2015
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2015-0866
Risk Level: Medium
CVSSv2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ )

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Advisory Details:

High-Tech Bridge Security Research Lab discovered two XSS vulnerabilities in a web-based customer support software SupportCenter Plus. These vulnerabilities can be exploited to perform Cross-Site Scripting attacks against authenticated users of the vulnerable software.


1) Cross-Site Scripting (XSS) in SupportCenter Plus: CVE-2015-0866

The discovered XSS vulnerabilities can be used by attackers to steal cookies or other sensitive user data of a vulnerable website.

Attackers can also perform more sophisticated attacks, such as spear phishing, or launch drive-by-download attacks against website users by injecting malware or exploit-packs into vulnerable scripts.

1.1 Input passed via the "fromCustomer" HTTP GET parameter to "/HomePage.do" script is not properly sanitised before being returned to the user. A remote attacker can trick a logged-in user to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website.

A simple exploit below uses the "alert()" JavaScript function to display "ImmuniWeb" word:

http://[host]/HomePage.do?fromCustomer=customerportal_%3C/script%3E%3Cscript%3Ealert%28/ImmuniWeb/%29%3C/script%3E

1.2 Input passed via the "username" and "password" HTTP POST parameters to "/HomePage.do" script are not properly sanitised before being returned to the user. A remote attacker can trick a logged-in user to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website.

Below is a simple exploit that can be used to demonstrate the vulnerability. After submitting the form two JavaScript dialog boxes will appear with "ImmuniWeb" word:


<form action="http://[host]/HomePage.do" method="post" name="main">
<input type="hidden" name="username" value='</script><script>alert(/ImmuniWeb/)</script>'>
<input type="hidden" name="password" value='</script><script>alert(/ImmuniWeb/)</script>'>
<input type="submit" id="btn">
</form>


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Solution:

Update to SupportCenter Plus build 7941

More Information:
https://forums.manageengine.com/topic/security-update-for-supportcenter-plus

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References:

[1] High-Tech Bridge Advisory HTB23247 - https://www.htbridge.com/advisory/HTB23247 - Two XSS Vulnerabilities in SupportCenter Plus.
[2] SupportCenter Plus - http://www.manageengine.com/products/support-center/ - SupportCenter Plus is a web-based customer support software that lets organizations effectively manage customer tickets, their account & contact information, the service contracts and in the process providing a superior customer experience.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
[5] ImmuniWeb® SaaS - https://www.htbridge.com/immuniweb/ - hybrid of manual web application penetration test and cutting-edge vulnerability scanner available online via a Software-as-a-Service (SaaS) model.

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Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.
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