CVE-2018-11386

Published: 13 June 2018

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.

Priority

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package	Release	Status
symfony Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Released (3.4.6+dfsg-1ubuntu0.1)
	trusty	Does not exist
	upstream	Released (3.4.12+dfsg-1)
	xenial	Not vulnerable (code not present)

Severity score breakdown

Parameter	Value
Base score	5.9
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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