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Insecure Library Loading
Moderately critical

ImpressCMS "image_path" Arbitrary File Deletion Vulnerability

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Release Date:  2014-02-04    Last Update:  2014-03-05    Views:  232

Secunia Advisory SA56701

Where:

From remote

Impact:

Manipulation of data

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Pedro Ribeiro has discovered a vulnerability in ImpressCMS, which can be exploited by malicious users or malicious people to manipulate certain data.

Input passed via the "image_path" GET parameter to libraries/image-editor/image-edit.php (when "op" is set to "cancel") is not properly verified before being used to delete files. This can be exploited to delete arbitrary files via directory traversal sequences.

Successful exploitation requires authenticated access in version 1.3.6.

The vulnerability is confirmed in versions 1.3.5, 1.3.6, and 1.3.6.1. Other versions may also be affected.


Solution:
The vendor has released a fix in version 1.3.6, however, the fix is only partially effective. No official solution is currently available.

Provided and/or discovered by:
Pedro Ribeiro

Original Advisory:
ImpressCMS:
http://community.impresscms.org/modules/smartsection/item.php?itemid=675

Pedro Ribeiro:
https://github.com/pedrib/PoC/blob/master/impresscms-1.3.5.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: ImpressCMS "image_path" Arbitrary File Deletion Vulnerability

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