TITLE:
PCPIN Chat SQL Injection and Local File Inclusion Vulnerabilities

SECUNIA ADVISORY ID:
SA19708

VERIFY ADVISORY:
http://secunia.com/advisories/19708/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Manipulation of data, Exposure of sensitive
information, System access

WHERE:
>From remote

SOFTWARE:
PCPIN Chat 5.x
http://secunia.com/product/9427/

DESCRIPTION:
rgod has discovered two vulnerabilities in PCPIN Chat, which can be
exploited by malicious people to conduct SQL injection attacks,
disclose sensitive information, and compromise a vulnerable system.

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

Successful exploitation requires that "magic_quotes_gpc" is
disabled.

A combination of vulnerabilities #1 and #2 can be exploited to access
the administration section and include arbitrary PHP code via an
uploaded malicious smiley image.

The vulnerabilities have been confirmed in version 5.0.4. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
rgod

ORIGINAL ADVISORY:
http://retrogod.altervista.org/pcpin_504_xpl.html

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