CVE-2020-5274

Published: 30 March 2020

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

Priority

Medium

CVSS 3 base score: 5.4

Status

Package Release Status
symfony
Launchpad, Ubuntu, Debian
Upstream
Released (4.4.5 and 5.0.5)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(4.4.8-1)
Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 LTS (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5ad
Upstream: https://github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45db