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TITLE:
MKPortal Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33560

VERIFY ADVISORY:
http://secunia.com/advisories/33560/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data, System access

WHERE:
>From remote

SOFTWARE:
MKPortal 1.x
http://secunia.com/advisories/product/9502/

DESCRIPTION:
Some vulnerabilities have been discovered in MKPortal, which can be
exploited by malicious people to conduct cross-site scripting
attacks, and malicious users to conduct SQL injection and script
insertion attacks, and compromise a vulnerable system.

1) A vulnerability is caused due to the "upload_imm()" function in
the modules/blog/index.php script failing to validate the types of
uploaded files. This can be exploited to execute arbitrary PHP code
by uploading a malicious PHP script with multiple extensions.

2) Input passed to the "template" and "template2" parameters in
index.php (when "ind" is set to "blog" and "op" is set to
"save_template") is not properly sanitised before being used in SQL
queries. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

3) Input passed to the "i" parameter in
mkportal/modules/rss/handler_image.php is not 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 the
context of an affected site.

4) Input passed to the "template" parameter in index.php (when "ind"
is set to "blog" and "op" is set to "save_template") 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 the context of an affected site when the malicious
post is viewed (e.g. in index.php when "ind" is set to "blog" and when
"op" is set to "home").

5) Input passed to the "ta" parameter in index.php (when "ind" is set
to "reviews" and "op" is set to "update_file") 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 the context of an affected site when the malicious
post is viewed (e.g. in index.php when "ind" is set to "reviews" and
when "op" is set to "entry_view").

6) Input passed to the "titlepage" parameter in index.php (when "ind"
is set to "news" and "op" is set to "update_news") 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 the context of an affected site when the malicious
post is viewed (e.g. in index.php when "ind" is set to "news" and when
"op" is set to "news_show_category").

These vulnerabilities are confirmed in version 1.2.1. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Janek Vind a.k.a. waraxe

ORIGINAL ADVISORY:
http://www.waraxe.us/advisory-70.html

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