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Insecure Library Loading
Highly critical

ZABBIX PHP Frontend Multiple Vulnerabilities

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Release Date:  2009-03-04    Last Update:  2009-03-31    Views:  5,256

Secunia Advisory SA34091

Where:

From remote

Impact:

Cross Site Scripting, Exposure of system information, Exposure of sensitive information, System access

Solution Status:

Vendor Workaround

Software:

CVE Reference(s):

No CVE references.

Description


Some vulnerabilities have been reported in the ZABBIX PHP frontend, which can be exploited by malicious users to disclose sensitive information and by malicious people to conduct cross-site request forgery attacks or compromise a vulnerable system.

1) Input appended to and passed via the "extlang" parameter to the "calc_exp2()" function in include/validate.inc.php is not properly sanitised before being used. This can be exploited to inject and execute arbitrary PHP code.

2) The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. create users, change a user's password, or potentially execute arbitrary commands on an affected system by enticing a logged in administrator to visit a malicious web page.

3) Input passed to the "srclang" parameter in locales.php (when "next" is set to a non-NULL value) is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via directory traversal attacks and URL-encoded NULL bytes.

The vulnerabilities are reported in version 1.6.2. Other versions may also be affected.


Solution:
Update to version 1.6.3.

Provided and/or discovered by:
Antonio "s4tan" Parata, Francesco "ascii" Ongaro, and Giovanni "evilaliv3" Pellerano.

Original Advisory:
http://www.ush.it/team/ush/hack-zabbix_162/adv.txt

Zabbix:
http://www.zabbix.com/rn1.6.3.php

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: ZABBIX PHP Frontend Multiple Vulnerabilities

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