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eGroupWare Multiple PHP Object Injection Vulnerabilities

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Release Date:  2014-02-21    Views:  345

Secunia Advisory SA57047

Where:

From remote

Impact:

Manipulation of data

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Pedro Ribeiro has discovered multiple vulnerabilities in eGroupWare, which can be exploited by malicious users to manipulate certain data.

Input passed via multiple parameters to multiple scripts is not properly sanitised before being used in a call to the "unserialize()" function. This can be exploited to create or overwrite arbitrary files.

List of affected scripts and parameters:
http://[host]/addressbook/csv_import.php?action=next&addr_fields&trans (POST)
http://[host]/calendar/csv_import.php?action=next&cal_fields&trans (POST)
http://[host]/index.php?menuaction=preferences.uiaclprefs.index&processed (POST)

Note: This can further be exploited to execute arbitrary PHP code via a specially crafted serialized object.

Successful exploitation requires knowledge of the full path of the file that is being written and the application to be running on a UNIX/Linux OS.

The vulnerabilities are confirmed in version 1.8.005.20131007. Prior versions may also be affected.


Solution:
Update to version 1.8.006.20140217.

Provided and/or discovered by:
Pedro Ribeiro, Agile Information Security.

Original Advisory:
eGroupWare:
http://www.egroupware.org/changelog

Pedro Ribeiro:
https://github.com/pedrib/PoC/blob/master/egroupware-1.8.005.txt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: eGroupWare Multiple PHP Object Injection Vulnerabilities

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