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Vulnerability title: Arbitrary file read in dompdf CVE: CVE-2014-2383 Vendor: dompdf Product: dompdf Affected version: v0.6.0 Fixed version: v0.6.1 (partial fix) Reported by: Alejo Murillo Moyas Details: An arbitrary file read vulnerability is present on dompdf.php file that allows remote or local attackers to read local files using a special crafted argument. This vulnerability requires the configuration flag DOMPDF_ENABLE_PHP to be enabled (which is disabled by default). Using PHP protocol and wrappers it is possible to bypass the dompdf's "chroot" protection (DOMPDF_CHROOT) which prevents dompdf from accessing system files or other files on the webserver. Please note that the flag DOMPDF_ENABLE_REMOTE needs to be enabled. Command line interface: php dompdf.php php://filter/read=convert.base64-encode/resource=<PATH_TO_THE_FILE> Web interface: http://example/dompdf.php?input_file=php://filter/read=convert.base64-encode/resource=<PATH_TO_THE_FILE> Further details at: https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-2383/ Copyright: Copyright (c) Portcullis Computer Security Limited 2014, All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this information. It is not to be edited or altered in any way without the express written consent of Portcullis Computer Security Limited. Disclaimer: The information herein contained may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Portcullis Computer Security Limited) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information. |
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