Description
An issue was discovered in HttpKernel in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through 4.1.2. When using HttpCache, the values of the X-Forwarded-Host headers are implicitly set as trusted while this should be forbidden, leading to potential host header injection.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | symfony | 3.4.14+dfsg-1 | — |
| Debian 13 | symfony | 3.4.14+dfsg-1 | — |
| Debian 12 | symfony | 3.4.14+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | symfony | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | symfony | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | symfony/symfony | >= 2.7.0, < 2.7.49 | 2.7.49 | GHSA-66p6-7p29-55p9 |
| Packagist | symfony/symfony | >= 2.8.0, < 2.8.44 | 2.8.44 | GHSA-66p6-7p29-55p9 |
| Packagist | symfony/symfony | >= 3.3.0, < 3.3.18 | 3.3.18 | GHSA-66p6-7p29-55p9 |
| Packagist | symfony/symfony | >= 3.4.0, < 3.4.14 | 3.4.14 | GHSA-66p6-7p29-55p9 |
| Packagist | symfony/symfony | >= 4.0.0, < 4.0.14 | 4.0.14 | GHSA-66p6-7p29-55p9 |
| Packagist | symfony/symfony | >= 4.1.0, < 4.1.3 | 4.1.3 | GHSA-66p6-7p29-55p9 |