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Information Exposure Affecting symfony/security package, versions >=2.7.38, <2.7.50 >=2.8.0, <2.8.49 >=3.0.0, <3.4.20 >=4.0.0, <4.0.15 >=4.1.0, <4.1.9 >=4.2.0, <4.2.1

0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High

    Threat Intelligence

    EPSS 2.61% (91st percentile)
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NVD
5.3 medium

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  • Snyk ID SNYK-PHP-SYMFONYSECURITY-72659
  • published 10 Dec 2018
  • disclosed 7 Dec 2018
  • credit David Gorges
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Introduced: 7 Dec 2018

CVE-2018-19789 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade symfony/symfony to versions 2.7.50, 2.8.49, 3.4.20, 4.0.15, 4.1.9 4.2.1 or higher.

Overview

symfony/symfony is a The Symfony PHP framework.

Affected versions of this package are vulnerable to Information Exposure. When using the scalar type hint string in a setter method of a class that’s the data_class of a form, and when a file upload is submitted to the corresponding field instead of a normal text input, then the UploadedFile::__toString() function is called which will then return and disclose the path of the uploaded file.