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Database

Technical information leak In symfony

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

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

Aliases

1. CVE-2020-52742. NVD-2020-52743. OSV-DEBIAN-2020-52744. OSV-2020-52745. GHSA-m884-279h-32v26. GCVE-2020-52747. SECURITY-TRACKER-CVE-2020-5274

References

1. https://github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v22. https://github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45db3. https://github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5ad4. https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/error-handler/CVE-2020-5274.yaml5. https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-5274.yaml6. https://symfony.com/cve-2020-5274

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