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TITLE:
1Book "guestbook.php" PHP Code Execution

SECUNIA ADVISORY ID:
SA30146

VERIFY ADVISORY:
http://secunia.com/advisories/30146/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
1Book 1.x
http://secunia.com/product/18994/

DESCRIPTION:
jiko has discovered two vulnerabilities in 1Book, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "username" and "message" parameters in
guestbook.php is not properly sanitised before being stored in
data.php. This can be exploited to execute arbitrary PHP code.

The vulnerabilities are confirmed in version 1.0.1. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
jiko

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/5736

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