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TITLE:
boastMachine Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA21066

VERIFY ADVISORY:
http://secunia.com/advisories/21066/

CRITICAL:
Moderately critical

IMPACT:
Hijacking, Cross Site Scripting, Manipulation of data, Exposure of
sensitive information

WHERE:
>From remote

SOFTWARE:
BoastMachine (bMachine) 3.x
http://secunia.com/product/5087/

DESCRIPTION:
DarkFig has discovered some vulnerabilities in boastMachine, which
can be exploited by malicious people to conduct cross-site scripting
and cross-site request forgery attacks or gain knowledge of sensitive
information and by malicious users to conduct SQL injection attacks or
compromise a vulnerable system.

1) Input passed to the "user_login", "full_name", and "url"
parameters in register.php is not properly sanitised before being
returned to the user. This can be exploited to execute arbitrary HTML
and script code in a user's browser session in context of an affected
site.

2) Input passed to the "blog" parameter in search.inc.php is not
properly sanitised before being used in an SQL query. This can be
exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation requires administrative user privileges and
that "magic_quotes_gpc" is disabled.

3) Backups created with the backup functionality have predictable
filenames. This may disclose sensitive information to people able to
guess the filename.

4) The language file upload functionality does not check uploaded
files correctly. This can e.g. be exploited to execute arbitrary PHP
code by uploading a malicious PHP script.

Successful exploitation requires administrative user privileges.

5) Certain actions can be performed via HTTP requests to admin.php
without any validity checks verifying the request. This can be
exploited by to delete arbitrary users when an administrative user
visits a malicious web site while logged in.

The vulnerabilities have been confirmed in version 3.1. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
include random values in backup filenames.

PROVIDED AND/OR DISCOVERED BY:
DarkFig

ORIGINAL ADVISORY:
http://acidr00t.free.fr/advisories/boastmachine.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/


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