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TITLE:
ZeroBoard4 Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33793

VERIFY ADVISORY:
http://secunia.com/advisories/33793/

DESCRIPTION:
make0day has reported some vulnerabilities in Zeroboard4, which can
potentially be exploited by malicious users to bypass certain
security restrictions and malicious people to conduct SQL injection
and script insertion attacks, disclose sensitive information, and
compromise a vulnerable system

1) Input passed to the "del_que1" parameter in write_ok.php is not
properly sanitised before being used in SQL queries. This can be
exploited to manipulate SQL queries by injecting arbitrary SQL code.

2) The application does not properly restrict access to secret
messages, which can be exploited to bypass certain security
restrictions and view other users' messages.

3) Input passed to the "dir" parameter in include/write.php is not
properly verified before being used to include files. This can be
exploited to include arbitrary files from local resources via
absolute paths and URL-encoded NULL bytes.

4) Input submitted to the application is not 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 the
context of an affected site when the malicious data is viewed.

5) Input passed to the "dir" in include/print_category.php (when
"setup[use_category]" is set to a non-NULL value) is not properly
verified before being used to include files. This can be exploited to
include arbitrary files from local and remote resources.

Successful exploitation of vulnerabilities #1, #3, and #5 requires
that "register_globals" is enabled.

The vulnerabilities are reported in version 4 pl8. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
verified and proper access restrictions are implemented.

PROVIDED AND/OR DISCOVERED BY:
make0day

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/8000

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