Arbitrary Code Execution Affecting symfony/symfony package, versions >=2.8.0, <2.8.52 >=3.4.0, <3.4.35 >=4.2.0, <4.2.11 >=4.3.0, <4.3.8


0.0
high

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.36% (72nd percentile)
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NVD
7.5 high

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  • Snyk ID SNYK-PHP-SYMFONYSYMFONY-535354
  • published 22 Nov 2019
  • disclosed 13 Nov 2019
  • credit Ivan Novikov

How to fix?

Upgrade symfony/symfony to version 2.8.52, 3.4.35, 4.2.11, 4.3.8 or higher.

Overview

symfony/symfony is a PHP framework for web applications and a set of reusable PHP components.

Affected versions of this package are vulnerable to Arbitrary Code Execution. Provided file paths were not being properly escaped before being used in the FileBinaryMimeTypeGuesser resulting in potential argument injection through the provided $path variable.