CVEvulnerability
CVE-2019-18887
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-11-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-203
Description
An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. The UriSigner was subject to timing attacks. This is related to symfony/http-kernel.
Affected configurations
• sensiolabs symfony (>= 2.8.0 <= 2.8.50)
• sensiolabs symfony (>= 3.4.0 <= 3.4.34)
• sensiolabs symfony (>= 4.2.0 <= 4.2.11)
• sensiolabs symfony (>= 4.3.0 <= 4.3.7)
• fedoraproject fedora 30
• fedoraproject fedora 31
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZNXRVHDQBNZQUCNRVZICPPBFRAUWUJX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXEAOEANNIVYANTMOJ42NKSU6BGNBULZ/ lists.fedoraproject.org
- https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigner Vendor Advisory
- https://symfony.com/blog/symfony-4-3-8-released Release Notes
- https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZNXRVHDQBNZQUCNRVZICPPBFRAUWUJX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXEAOEANNIVYANTMOJ42NKSU6BGNBULZ/ lists.fedoraproject.org
- https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigner Vendor Advisory
- https://symfony.com/blog/symfony-4-3-8-released Release Notes