CVE-2018-19790
Description
An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.4.20+dfsg-1 |
| sid | Fixed | 3.4.20+dfsg-1 |
| forky | Fixed | 3.4.20+dfsg-1 |
| bullseye | Fixed | 3.4.20+dfsg-1 |
| bookworm | Fixed | 3.4.20+dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | symfony/security-http | >=2.7.38,<2.7.50 | 2.7.50 |
| Packagist | symfony/security-http | >=2.8.0,<2.8.49 | 2.8.49 |
| Packagist | symfony/security-http | >=3.0.0,<3.4.20 | 3.4.20 |
| Packagist | symfony/security-http | >=4.0.0,<4.0.15 | 4.0.15 |
| Packagist | symfony/security-http | >=4.1.0,<4.1.9 | 4.1.9 |
| Packagist | symfony/security-http | >=4.2.0,<4.2.1 | 4.2.1 |
| Packagist | symfony/security | >=2.7.38,<2.7.50 | 2.7.50 |
| Packagist | symfony/security | >=2.8.0,<2.8.49 | 2.8.49 |
| Packagist | symfony/security | >=3.0.0,<3.4.19 | 3.4.19 |
| Packagist | symfony/security | >=4.0.0,<4.0.15 | 4.0.15 |
| Packagist | symfony/security | >=4.1.0,<4.1.9 | 4.1.9 |
| Packagist | symfony/security | >=4.2.0,<4.2.1 | 4.2.1 |
| Packagist | symfony/symfony | >=2.7.38,<2.7.50 | 2.7.50 |
| Packagist | symfony/symfony | >=2.8.0,<2.8.49 | 2.8.49 |
| Packagist | symfony/symfony | >=3.0.0,<3.4.20 | 3.4.20 |
| Packagist | symfony/symfony | >=4.0.0,<4.0.15 | 4.0.15 |
| Packagist | symfony/symfony | >=4.1.0,<4.1.9 | 4.1.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-19790
- https://github.com/symfony/symfony/commit/99a0cec0a6be39ce5ef38386e57339603b33ee5b
- https://www.debian.org/security/2019/dsa-4441
- https://web.archive.org/web/20200227095826/http://www.securityfocus.com/bid/106249
- https://symfony.com/cve-2018-19790
- https://symfony.com/blog/cve-2018-19790-open-redirect-vulnerability-when-using-security-http
- https://seclists.org/bugtraq/2019/May/21
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OA4WVFN5FYPIXAPLWZI6N425JHHDSWAZ
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JZMRJ7VTHCY5AZK24G4QGX36RLUDTDKE
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4TD3E7FZIXLVFG3SMFJPDEKPZ26TJOW7
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OA4WVFN5FYPIXAPLWZI6N425JHHDSWAZ
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZMRJ7VTHCY5AZK24G4QGX36RLUDTDKE
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TD3E7FZIXLVFG3SMFJPDEKPZ26TJOW7
- https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html
- https://github.com/symfony/symfony
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-19790.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2018-19790.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2018-19790.yaml
- http://www.securityfocus.com/bid/106249
- https://security-tracker.debian.org/tracker/CVE-2018-19790
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.