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Symfony 4.2.x < 4.2.12, 4.3.x < 4.3.8 Multiple Vulnerabilities
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Symfony is prone to multiple vulnerabilities.
Insight
Insight
The following vulnerabilities exist: - The ability to enumerate users was possible without relevant permissions due to different handling depending on whether the user existed or not when attempting to use the switch users functionality. - Some strings were not properly escaped when being dumped by the VarExporter component. The VarExporter is notably used by the Symfony Cache Component PhpFilesAdapter and PhpArrayAdapter adapters.
Affected Software
Affected Software
Symfony versions 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
The issue has been fixed in Symfony 4.2.12 and 4.3.8. NOTE: No fixes are provided for Symfony 4.1 as they are not maintained anymore. It is recommended to upgrade to a supported version as soon as possible.