TITLE:
SimpleBlog Script Insertion and SQL Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA18488

VERIFY ADVISORY:
http://secunia.com/advisories/18488/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
SimpleBlog 2.x
http://secunia.com/product/6825/

DESCRIPTION:
Zinho has discovered two vulnerabilities in SimpleBlog, which can be
exploited by malicious people to conduct script insertion and SQL
injection attacks.

1) Input passed to the "month" parameter isn't properly sanitised
before being used in a SQL query. This can be exploited to manipulate
SQL queries by injecting arbitrary SQL code.

Example:
http://[victim]/?view=archives&month=[code]&year=2006

2) Input passed to various fields when posting a comment isn't
properly sanitised before being used. This can be exploited to inject
arbitrary HTML and script code, which will be executed in a user's
browser session in context of an affected site when the malicious
comment is viewed.

The vulnerabilities have been confirmed in version 2.1. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Zinho, Hackers Center Security Group.

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