Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sensiolabs | Symfony | >= 2.8.0, <= 2.8.50 |
| Fedoraproject | Fedora | 30 |
Related Weaknesses (CWE)
References
- https://github.com/symfony/symfony/releases/tag/v4.3.8Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigneVendor Advisory
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes
- https://github.com/symfony/symfony/releases/tag/v4.3.8Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://symfony.com/blog/cve-2019-18887-use-constant-time-comparison-in-urisigneVendor Advisory
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes
FAQ
What is CVE-2019-18887?
CVE-2019-18887 is a vulnerability with a CVSS score of 8.1 (HIGH). 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/ht...
How severe is CVE-2019-18887?
CVE-2019-18887 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18887?
Check the references section above for vendor advisories and patch information. Affected products include: Sensiolabs Symfony, Fedoraproject Fedora.