TITLE:
Advanced Poll "User-Agent" SQL Injection Vulnerability

SECUNIA ADVISORY ID:
SA19899

VERIFY ADVISORY:
http://secunia.com/advisories/19899/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
Chi Kien Uong Advanced Poll 2.x
http://secunia.com/product/2406/

DESCRIPTION:
Aliaksandr Hartsuyeu has reported a vulnerability in Advanced Poll,
which can be exploited by malicious people to conduct SQL injection
attacks.

Input passed to the "User-Agent" HTTP header when inserting a poll
log isn't properly sanitised before being used in a SQL query. This
can be exploited to manipulate SQL queries by injecting arbitrary SQL
code.

The vulnerability has been reported in version 2.0.4. Prior versions
may also be affected.

Note: It has also been reported that it is possible bypass the voting
IP address restriction by manipulating the IP address in the
"X-Forwarded-For" HTTP header.

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

PROVIDED AND/OR DISCOVERED BY:
Aliaksandr Hartsuyeu

ORIGINAL ADVISORY:
http://evuln.com/vulns/131/

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