CVE-2018-11386
low-risk
Published 2018-06-13
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.
Do I need to act?
~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (2)
Affected Vendors
References (10)
Third Party Advisory
https://www.debian.org/security/2018/dsa-4262
Third Party Advisory
https://www.debian.org/security/2018/dsa-4262
28
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
3/34 · Minimal
Exposure
7/34 · Low