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Multiple vulnerabilities in Tine 2.0

Advisory ID:HTB23050
Product:Tine 2.0
Vendor:Metaways Infosystems GmbH
Vulnerable Versions:Maischa (2011/05) and probably prior
Tested Version:Maischa (2011/05)
Advisory Publication:September 28, 2011 [without technical details]
Vendor Notification:September 28, 2011
Public Disclosure:October 19, 2011
Vulnerability Type:Cross-Site Scripting [CWE-79]
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
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in Tine 2.0, which can be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerabilities in Tine 2.0
1.1 Input passed via the "lang" GET parameter to /library/idnaconvert/example.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of affected website.
The following PoC code is available:
http://[host]/library/idnaconvert/example.php?lang=%22%3E%3Cscript%3Ealert%2 8document.cookie%29;%3C/script%3E
1.2 Input appended to the URL after /library/idnaconvert/example.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site
The following PoC is available:
http://[host]/library/idnaconvert/example.php/%22%3E%3Cscript%3Ealert%28docu ment.cookie%29;%3C/script%3E
Successful exploitation of the vulnerabilities requires that Apache's directive "AcceptPathInfo" is set to "on" or "default" (default value is "default")
1.3 Input appended to the URL after /library/phpexcel/phpexcel/shared/jama/docs/download.php is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site
The following PoC is available:
http://[host]/library/phpexcel/phpexcel/shared/jama/docs/download.php/%27%3E %3Cscript%3Ealert%28document.cookie%29;%3C/script%3E
Successful exploitation of the vulnerabilities requires that Apache's directive "AcceptPathInfo" is set to "on" or "default" (default value is "default").


ImmuniWeb® On-Demand Web Application Penetration Test


Solution:
Upgrade to the most recent version


References:
[1] High-Tech Bridge Advisory HTB23050 - https://www.immuniweb.com/advisory/HTB23050 - Multiple vulnerabilities in Tine 2.0
[2] Tine 2.0 - tine20.org - Tine 2.0 is an open source project which combines groupware and CRM in one consistent interface.
[3] 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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