Description
An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code. This is related to symfony/var-exporter.
References (4)
Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3
Release Notes, Vendor Advisory x_refsource_confirm
https://symfony.com/blog/symfony-4-3-8-released
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/symfony/symfony/releases/tag/v4.3.8
Vendor Advisory x_refsource_confirm
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter
Scores
CVSS v3
9.8
EPSS
0.0335
EPSS Percentile
87.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-116
Status
published
Products (3)
sensiolabs/symfony
4.2.0 - 4.2.12
symfony/symfony
4.2.0 - 4.2.12Packagist
symfony/var-exporter
4.2.0 - 4.2.12Packagist
Published
Nov 21, 2019
Tracked Since
Feb 18, 2026