Arbitrary Code Execution Affecting typo3/cms-core package, versions >=7.0.0, <7.6.30 >=8.0.0, <8.7.17 >=9.0.0, <9.3.2
Snyk CVSS
Attack Complexity
Low
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Test your applications- Snyk ID SNYK-PHP-TYPO3CMSCORE-72241
- published 23 Jul 2018
- disclosed 12 Jul 2018
- credit Sam Thomas
How to fix?
Upgrade typo3/cms-core
to version 8.7.17, 9.3.2 or higher.
Overview
typo3/cms is a free open source Content Management Framework initially created by Kasper Skaarhoj and licensed under GNU/GPL.
Affected version so this package are vulnerable to Arbitrary Code Execution. Phar files can be obfuscated as image or text file which would not be denied from being uploaded and persisted to a TYPO3 installation. Due to a missing sanitization of user input, those Phar files can be invoked by manipulated URLs in TYPO3 backend forms.