CVE-2020-5274: Generation of Error Message Containing Sensitive Information
(updated )
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
References
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/error-handler/CVE-2020-5274.yaml
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-5274.yaml
- github.com/advisories/GHSA-m884-279h-32v2
- github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45db
- github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5ad
- github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v2
- nvd.nist.gov/vuln/detail/CVE-2020-5274
- symfony.com/cve-2020-5274
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