Secunia Security Advisory - High-Tech Bridge SA has discovered some vulnerabilities in FlatnuX CMS, which can be exploited by malicious users to conduct script insertion attacks and by malicious people to conduct cross-site request forgery attacks.
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TITLE:
FlatnuX CMS Cross-Site Request Forgery and Script Insertion
Vulnerabilities
SECUNIA ADVISORY ID:
SA40136
VERIFY ADVISORY:
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RELEASE DATE:
2010-06-10
DISCUSS ADVISORY:
http://secunia.com/advisories/40136/#comments
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DESCRIPTION:
High-Tech Bridge SA has discovered some vulnerabilities in FlatnuX
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) 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 administrative user
tricking a logged in administrator into visiting a malicious web
site.
2) Input passed via the "head" parameter to index.php (when "mod" is
set to "news") is not properly sanitised before being displayed to
the user. 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.
The vulnerabilities are confirmed in version 2010-06-09. Other
versions may also be affected.
SOLUTION:
Do not browse untrusted websites or follow untrusted links while
logged in to the application. Edit the source code to ensure that
input is properly sanitised.
PROVIDED AND/OR DISCOVERED BY:
High-Tech Bridge SA
ORIGINAL ADVISORY:
http://www.htbridge.ch/advisory/xss_vulnerability_in_flatnux_cms.html
http://www.htbridge.ch/advisory/xss_vulnerability_in_flatnux_cms_news_module.html
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
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