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
Status
| Package | Release | Status |
|---|---|---|
|
symfony Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Not vulnerable
(code not present)
|
|
| groovy |
Not vulnerable
(4.4.8-1)
|
|
| hirsute |
Not vulnerable
(4.4.8-1)
|
|
| impish |
Not vulnerable
(4.4.8-1)
|
|
| jammy |
Not vulnerable
(4.4.8-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.4.5 and 5.0.5)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5ad upstream: https://github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45db |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.4 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
References
- 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
- https://github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v2
- https://www.cve.org/CVERecord?id=CVE-2020-5274
- NVD
- Launchpad
- Debian