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TITLE:
PostNuke Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA15450

VERIFY ADVISORY:
http://secunia.com/advisories/15450/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data, Exposure of sensitive
information

WHERE:
>From remote

SOFTWARE:
PostNuke 0.x
http://secunia.com/product/350/

DESCRIPTION:
Maksymilian Arciemowicz has reported some vulnerabilities in
PostNuke, which can be exploited by malicious people to conduct
cross-site scripting and SQL injection attacks, and disclose
sensitive information.

1) Input passed to the "module" and "riga[0]" parameters in
"index.php" isn't properly sanitised before being used in a SQL
query. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

NOTE: Exploitation of the "riga[0]" parameter requires administrative
privileges.

2) Input passed to the "skin" parameter in "index.php" isn't properly
verified, before it is used to include files. This can be exploited to
include arbitrary files from local resources.

Example:
http://[host]/source/html/index.php?module=Xanthia&type=admin&func=addTheme&authid=&skin=[file]%00

3) Input passed to the "skin" and "paletteid" parameters in
"demo.php" and the "serverName" parameter in "config.php" isn't
properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of a vulnerable site.

It is also possible to disclose the full path to certain scripts by
accessing them directly.

The vulnerabilities have been reported in version 0.750 and 0.760RC3,
and prior.

SOLUTION:
Update to version 0.750b.
http://news.postnuke.com/modules.php?op=modload&name=Downloads&file=index&req=viewdownload&cid=1

PROVIDED AND/OR DISCOVERED BY:
Maksymilian Arciemowicz

ORIGINAL ADVISORY:
http://news.postnuke.com/Article2691.html

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About:
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