CVE-2019-18889: Code Injection

Published Nov 13, 2019
·
Updated

An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Serializing certain cache adapter interfaces could result in remote code injection. This is related to symfony/cache.

Other sources

CVE-2019-18889: Forbid serializing AbstractAdapter and TagAwareAdapter instances

Affected Software

12 affected componentsFixes available
composer/symfony/symfony>=3.1.0, <3.2.0, >=3.2.0, <3.3.0, >=3.3.0, <3.4.0, >=3.4.0, <3.4.35, >=4.0.0, <4.1.0, >=4.1.0, <4.2.0, >=4.2.0, <4.2.12, >=4.3.0, <4.3.8
composer/symfony/cache>=3.1.0, <3.2.0, >=3.2.0, <3.3.0, >=3.3.0, <3.4.0, >=3.4.0, <3.4.35, >=4.0.0, <4.1.0, >=4.1.0, <4.2.0, >=4.2.0, <4.2.12, >=4.3.0, <4.3.8
composer/symfony/symfony>=4.3.0<4.3.8
4.3.8
composer/symfony/symfony>=4.0.0<4.2.12
4.2.12
composer/symfony/symfony>=3.1.0<3.4.35
3.4.35
composer/symfony/cache>=4.3.0<4.3.8
4.3.8
composer/symfony/cache>=4.0.0<4.2.12
4.2.12
composer/symfony/cache>=3.1.0<3.4.35
3.4.35
SensioLabs Symfony>=3.4.0<=3.4.34
SensioLabs Symfony>=4.2.0<=4.2.11
SensioLabs Symfony>=4.3.0<=4.3.7
Fedoraproject Fedora=31

Event History

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

Frequently Asked Questions

1

What is CVE-2019-18889?

CVE-2019-18889 is a vulnerability in Symfony that allows remote code injection through the serialization of certain cache adapter interfaces.

2

What is the severity of CVE-2019-18889?

CVE-2019-18889 has a severity value of 9.8, making it a critical vulnerability.

3

How does CVE-2019-18889 affect Symfony?

CVE-2019-18889 affects Symfony versions 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7.

4

How can I fix CVE-2019-18889?

To fix CVE-2019-18889, update Symfony to version 3.4.35, 4.2.12, or 4.3.8, depending on the Symfony version you are using.

5

What is the Common Weakness Enumeration (CWE) of CVE-2019-18889?

CVE-2019-18889 is associated with CWE-94, which is the code injection weakness.

Company

Resources

Contact

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