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. If an application passes unvalidated user input as the file for which MIME type validation should occur, then arbitrary arguments are passed to the underlying file command. This is related to symfony/http-foundation (and symfony/mime in 4.3.x).
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-2019-18888-prevent-argument-injection-in-a-mimetypeVendor 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-2019-18888-prevent-argument-injection-in-a-mimetypeVendor Advisory
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes
FAQ
What is CVE-2019-18888?
CVE-2019-18888 is a vulnerability with a CVSS score of 7.5 (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. If an application passes unvalidated user input as the file for which MIME...
How severe is CVE-2019-18888?
CVE-2019-18888 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18888?
Check the references section above for vendor advisories and patch information. Affected products include: Sensiolabs Symfony, Fedoraproject Fedora.