| Name | CVE-2020-5274 |
| 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 |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 961415 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| symfony (PTS) | jessie, jessie (lts) | 2.3.21+dfsg-4+deb8u6 | fixed |
| stretch (security) | 2.8.7+dfsg-1.3+deb9u3 | fixed | |
| stretch (lts), stretch | 2.8.7+dfsg-1.3+deb9u5 | fixed | |
| buster (security), buster, buster (lts) | 3.4.22+dfsg-2+deb10u3 | fixed | |
| bullseye | 4.4.19+dfsg-2+deb11u6 | fixed | |
| bookworm | 5.4.23+dfsg-1+deb12u2 | fixed | |
| bookworm (security) | 5.4.23+dfsg-1+deb12u4 | fixed | |
| sid, trixie | 6.4.15+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| symfony | source | jessie | (not affected) | |||
| symfony | source | stretch | (not affected) | |||
| symfony | source | buster | (not affected) | |||
| symfony | source | (unstable) | 4.4.8-1 | 961415 |
[buster] - symfony <not-affected> (Introduced in 4.4.0)
[stretch] - symfony <not-affected> (Introduced in 4.4.0)
[jessie] - symfony <not-affected> (Introduced in 4.4.0)
https://symfony.com/blog/cve-2020-5274-fix-exception-message-escaping-rendered-by-errorhandler
https://github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5ad
https://github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45db