CVE-2020-5274
Medium
Description
In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace. In addition, the stacktrace were displayed even in a non-debug configuration. The ErrorHandler now escape alls properties of the exception, and the stacktrace is only display in debug configuration. This issue is patched in symfony/http-foundation versions 4.4.5 and 5.0.5
SeverityMedium
CVSS4.6
Exploit probability—
Product
Sensiolabs Symfony
PublishedMar 30, 2020
First seenMar 30, 2020
Weakness typeCWE-209CWE-209
How to fix
Update
- sensiolabs symfony4.4.4, 5.0.4 or later
- symfony/error-handler4.4.4, 5.0.4 or later
- symfony/symfony4.4.4, 5.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sensiolabs symfony | 4.4.0 ≤ v < 4.4.4, 5.0.0 ≤ v < 5.0.4 | 4.4.4, 5.0.4 |
| symfony/error-handlerPackagist | 4.4.0 ≤ v < 4.4.4, 5.0.0 ≤ v < 5.0.4 | 4.4.4, 5.0.4 |
| symfony/symfonyPackagist | 4.4.0 ≤ v < 4.4.4, 5.0.0 ≤ v < 5.0.4 | 4.4.4, 5.0.4 |
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