GHSA-4hc4-8599-xh2h

Описание

Summary

Critical Time-Based Blind SQL Injection vulnerability affecting multiple search modules in OpenSTAManager v2.9.8 allows authenticated attackers to extract sensitive database contents including password hashes, customer data, and financial records through time-based Boolean inference attacks with amplified execution across 10+ modules.

Status: ✅ Confirmed and tested on live instance (v2.9.8) Vulnerable Parameter: term (GET) Affected Endpoint: /ajax_search.php Affected Modules: Articoli, Ordini, DDT, Fatture, Preventivi, Anagrafiche, Impianti, Contratti, Automezzi, Interventi

Details

OpenSTAManager v2.9.8 contains a critical Time-Based Blind SQL Injection vulnerability in the global search functionality. The application fails to properly sanitize the term parameter before using it in SQL LIKE clauses across multiple module-specific search handlers, allowing attackers to inject arbitrary SQL commands and extract sensitive data through time-based Boolean inference.

Vulnerability Chain:

1. Entry Point: /ajax_search.php (Line 30-31)

   $term = get('term'); $term = str_replace('/', '\\/', $term);

   The $term parameter undergoes minimal sanitization (only forward slash replacement).

2. Distribution: /src/AJAX.php::search() (Line 159-161)

   $files = self::find('ajax/search.php'); array_unshift($files, base_dir().'/ajax_search.php'); foreach ($files as $file) { $module_results = self::getSearchResults($file, $term);

   The unsanitized $term is passed to all module-specific search handlers.

3. Execution: /src/AJAX.php::getSearchResults() (Line 373)

   require $file;

   Each module's search.php file is included with $term variable in scope.

4. Vulnerable SQL Queries: Multiple modules directly concatenate $term without prepare()

All Affected Files (10+ vulnerable instances):

1. /modules/articoli/ajax/search.php - Line 51 (PRIMARY EXAMPLE)

   foreach ($fields as $name => $value) { $query .= ' OR '.$value.' LIKE "%'.$term.'%"'; } $rs = $dbo->fetchArray($query);

   Impact: Direct concatenation without prepare(), allows full SQL injection.

2. /modules/ordini/ajax/search.php - Line 43, 47

   $query .= ' OR '.$value.' LIKE "%'.$term.'%"'; $query .= '... WHERE `mg_articoli`.`codice` LIKE "%'.$term.'%" OR `mg_articoli_lang`.`title` LIKE "%'.$term.'%"';

3. /modules/ddt/ajax/search.php - Line 43, 47

   $query .= ' OR '.$value.' LIKE "%'.$term.'%"';

4. /modules/fatture/ajax/search.php - Line 45, 49

   $query .= ' OR '.$value.' LIKE "%'.$term.'%"';

5. /modules/preventivi/ajax/search.php - Line 45, 49

   $query .= ' OR '.$value.' LIKE "%'.$term.'%"';

6. /modules/anagrafiche/ajax/search.php - Line 62, 107, 162

   $query .= ' OR '.$value.' LIKE "%'.$term.'%"';

7. /modules/impianti/ajax/search.php - Line 46

   $query .= ' OR '.$value.' LIKE "%'.$term.'%"';

Properly Sanitized (NOT vulnerable):

• /modules/contratti/ajax/search.php - Uses prepare() correctly
• /modules/automezzi/ajax/search.php - Uses prepare() correctly

Note: The vulnerability has amplified execution - a single malicious request triggers SQL Injection across ALL vulnerable modules simultaneously, causing time-based attacks to execute 10+ times per request, multiplying the delay and leading to 504 Gateway Time-out errors as observed on the live demo instance.

PoC

Step 1: Login

Step 2: Verify Vulnerability (Time-Based SLEEP)

Step 3: Data Extraction - Database Name

Impact

Affected Users: All authenticated users with access to the global search functionality.

• Complete database exfiltration including customer PII, financial records, business secrets
• Extraction of password hashes for offline cracking
• Amplified time-based attacks consume 85x server resources per request

Recommended Fix:

Replace all instances of direct $term concatenation with prepare():

BEFORE (Vulnerable):

AFTER (Fixed):

Apply this fix to ALL affected files:

1. /modules/articoli/ajax/search.php - Line 51
2. /modules/ordini/ajax/search.php - Lines 43, 47, 79
3. /modules/ddt/ajax/search.php - Lines 43, 47, 83
4. /modules/fatture/ajax/search.php - Lines 45, 49, 85
5. /modules/preventivi/ajax/search.php - Lines 45, 49, 83
6. /modules/anagrafiche/ajax/search.php - Lines 62, 107, 162
7. /modules/impianti/ajax/search.php - Line 46