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TITLE:
FlatnuX NEXT CMS Cross-Site Request Forgery and Script Insertion
Vulnerabilities

SECUNIA ADVISORY ID:
SA48656

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48656/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48656

RELEASE DATE:
2012-04-03

DISCUSS ADVISORY:
http://secunia.com/advisories/48656/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/48656/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=48656

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Vulnerability Lab has discovered multiple vulnerabilities in FlatnuX
NEXT CMS, which can be exploited by malicious users to conduct script
insertion attacks and by malicious people to conduct cross-site
request forgery attacks.

1) Input passed via the "comment" parameter to index.php (when "mod"
is set to "news" and "mode" is set to "comment") is not properly
sanitised before being used. This can be exploited to insert
arbitrary HTML and script code, which will be executed in a user's
browser session in context of an affected site when the malicious
data is being viewed.

2) Input passed via e.g. the "title_en", "summary_en", and "body_en"
parameters to index.php (when "mod" is set to "news" and "mode" is
set to "submitnews") is not properly sanitised before being used.
This can be exploited to insert arbitrary HTML and script code, which
will be executed in a user's browser session in context of an affected
site when the malicious data is being viewed.

3) 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. add an administrator by
tricking a logged in user into visiting a malicious web site.

The vulnerabilities are confirmed in version 2012-03.08. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised. Do
not browse untrusted websites or follow untrusted links while logged
in to the application.

PROVIDED AND/OR DISCOVERED BY:
Vulnerability Lab.

ORIGINAL ADVISORY:
http://www.vulnerability-lab.com/get_content.php?id=487

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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