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TITLE:
phpCommunityCalendar Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA16721

VERIFY ADVISORY:
http://secunia.com/advisories/16721/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
phpCommunityCalendar 4.x
http://secunia.com/product/5671/

DESCRIPTION:
rgod has discovered some vulnerabilities in phpCommunityCalendar,
which can be exploited by malicious people to conduct cross-site
scripting, script insertion and SQL injection attacks.

1) Input passed to the "Username" parameter in "webadmin/login.php"
and the "LocationID" parameter in "week.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.

Successful exploitation requires that "magic_quotes_gpc" is
disabled.

2) Input passed to certain fields when adding an event isn't properly
sanitised before being used. This can be exploited to inject arbitrary
HTML and script code, which will be executed in an administrator's
browser session in context of an affected site when the malicious
event is viewed when approving events.

3) Input passed to the "LocationID" and "font" parameters in various
scripts, and the "CeTi", "Contact", "Description "and "ShowAddress"
parameters in "event.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 an affected
site.

The vulnerabilities have been confirmed in version 4.0.3. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
rgod

ORIGINAL ADVISORY:
http://www.rgod.altervista.org/phpccal.html

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About:
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