Vulnerability Description
An issue was discovered in the HttpFoundation component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. The PDOSessionHandler class allows storing sessions on a PDO connection. Under some configurations and with a well-crafted payload, it was possible to do a denial of service on a Symfony application without too much resources.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sensiolabs | Symfony | >= 2.7.0, < 2.7.48 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- 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-2018-11386-denial-of-service-when-using-pdosessionhVendor Advisory
- https://www.debian.org/security/2018/dsa-4262Third Party Advisory
- 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-2018-11386-denial-of-service-when-using-pdosessionhVendor Advisory
- https://www.debian.org/security/2018/dsa-4262Third Party Advisory
FAQ
What is CVE-2018-11386?
CVE-2018-11386 is a vulnerability with a CVSS score of 5.9 (MEDIUM). An issue was discovered in the HttpFoundation component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. The PDOSessionHandler cl...
How severe is CVE-2018-11386?
CVE-2018-11386 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-11386?
Check the references section above for vendor advisories and patch information. Affected products include: Sensiolabs Symfony, Debian Debian Linux.