Magento <= 1.9.2 (catalogProductCreate) Autoloaded File Inclusion Vulnerability

2015.09.15
Credit: Egidio Romano
Risk: Medium
Local: No
Remote: Yes
CWE: N/A

------------------------------------------------------------------------------- Magento <= 1.9.2 (catalogProductCreate) Autoloaded File Inclusion Vulnerability ------------------------------------------------------------------------------- [-] Software Link: http://magento.com/ [-] Affected Versions: Version 1.9.2 and prior versions. [-] Vulnerability Description: The vulnerability is caused by the "catalogProductCreate" SOAP API implementation, which is defined into the /app/code/core/Mage/Catalog/Model/Product/Api/V2.php script: 109. public function create($type, $set, $sku, $productData, $store = null) 110. { 111. if (!$type || !$set || !$sku) { 112. $this->_fault('data_invalid'); 113. } 114. 115. $this->_checkProductTypeExists($type); 116. $this->_checkProductAttributeSet($set); 117. 118. /** @var $product Mage_Catalog_Model_Product */ 119. $product = Mage::getModel('catalog/product'); 120. $product->setStoreId($this->_getStoreId($store)) 121. ->setAttributeSetId($set) 122. ->setTypeId($type) 123. ->setSku($sku); 124. 125. if (!property_exists($productData, 'stock_data')) { 126. //Set default stock_data if not exist in product data 127. $_stockData = array('use_config_manage_stock' => 0); 128. $product->setStockData($_stockData); 129. } User input passed through the "productData" SOAP parameter is not properly validated before being used in a call to the "property_exists()" function at line 125. This can be exploited by attackers with valid API credentials to include and execute arbitrary PHP code (both from local or remote resources) leveraging the Varien_Autoload::autoload() autoloading function. Successful exploitation of this vulnerability requires the application running on PHP before version 5.4.24 or 5.5.8. [-] Solution: Update to version 1.9.2.1 or apply the SUPEE-6482 patch bundle. [-] Disclosure Timeline: [27/02/2015] - Vendor notified [25/06/2015] - Vendor acknowledgement stating the issue will be fixed in the next release [04/08/2015] - Version 1.9.2.1 released along with the patch for this vulnerability [13/08/2015] - CVE number requested [17/08/2015] - CVE number assigned [11/09/2015] - Public disclosure [-] CVE Reference: The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2015-6497 to this vulnerability. [-] Credits: Vulnerability discovered by Egidio Romano of Minded Security. [-] Original Advisory: http://karmainsecurity.com/KIS-2015-04 [-] Other References: http://blog.mindedsecurity.com/2015/09/autoloaded-file-inclusion-in-magento.html

References:

http://blog.mindedsecurity.com/2015/09/autoloaded-file-inclusion-in-magento.html
http://karmainsecurity.com/KIS-2015-04


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