CVE-2019-11325: Fix escaping of strings in VarExporter

Published Nov 13, 2019
·
Updated

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.

Other sources

CVE-2019-11325: Fix escaping of strings in VarExporter

Affected Software

8 affected componentsFixes available
composer/symfony/symfony>=4.2.0, <4.2.12, >=4.3.0, <4.3.8
composer/symfony/var-exporter>=4.2.0, <4.2.12, >=4.3.0, <4.3.8
SensioLabs Symfony>=4.2.0<4.2.12
SensioLabs Symfony>=4.3.0<4.3.8
composer/symfony/symfony>=4.2.0, <4.2.12
4.2.12
composer/symfony/symfony>=4.3.0, <4.3.8
4.3.8
composer/symfony/var-exporter>=4.2.0, <4.2.12
4.2.12
composer/symfony/var-exporter>=4.3.0, <4.3.8
4.3.8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade composer/symfony/symfony to a version that resolves this vulnerability.

    Fixed in 4.2.12
  2. Upgrade

    Upgrade composer/symfony/symfony to a version that resolves this vulnerability.

    Fixed in 4.3.8
  3. Upgrade

    Upgrade composer/symfony/var-exporter to a version that resolves this vulnerability.

    Fixed in 4.2.12
  4. Upgrade

    Upgrade composer/symfony/var-exporter to a version that resolves this vulnerability.

    Fixed in 4.3.8
  5. Upgrade

    Upgrade symfony/var-exporter to a version that resolves this vulnerability.

    Fixed in 4.2.12
  6. Upgrade

    Upgrade symfony/var-exporter to a version that resolves this vulnerability.

    Fixed in 4.3.8

Event History

Nov 13, 2019
Advisory Published
08:00 AM
Data Sourced
via Packagist·08:00 AM
DescriptionSeverityAffected Software
Nov 21, 2019
CVE Published
via MITRE·10:15 PM
Data Sourced
via MITRE·10:15 PM
Description

Frequently Asked Questions

1

What is CVE-2019-11325?

CVE-2019-11325 is a vulnerability related to the escaping of strings in VarExporter.

2

Which software is affected by CVE-2019-11325?

The vulnerability affects the Symfony framework versions 4.2.0 up to 4.2.12 and 4.3.0 up to 4.3.8, as well as the VarExporter package within Symfony.

3

How severe is CVE-2019-11325?

The severity of CVE-2019-11325 is not defined in the provided information.

4

How can I fix CVE-2019-11325?

To fix CVE-2019-11325, update the affected Symfony framework or VarExporter package to versions beyond the vulnerable range.

5

Where can I find more information about CVE-2019-11325?

More information about CVE-2019-11325 can be found at the following reference: [https://symfony.com/cve-2019-11325](https://symfony.com/cve-2019-11325)

Company

Resources

Contact

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