PT-2018-3149 · Symfony · Symfony
Federico Stange
·
Published
2018-05-25
·
Updated
2022-05-14
·
CVE-2018-11386
CVSS v3.1
5.9
Medium
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Symfony versions 2.7.x through 2.7.47
Symfony versions 2.8.x through 2.8.40
Symfony versions 3.3.x through 3.3.16
Symfony versions 3.4.x through 3.4.10
Symfony versions 4.0.x through 4.0.10
Description
The issue is related to the HttpFoundation component in Symfony, specifically the PDOSessionHandler class, which allows storing sessions on a PDO connection. Under certain configurations and with a well-crafted payload, it is possible to cause a denial of service on a Symfony application without significant resources. The vulnerability can be exploited by a remote attacker to cause a denial of service.
Recommendations
For Symfony versions 2.7.x through 2.7.47, update to version 2.7.48 or later.
For Symfony versions 2.8.x through 2.8.40, update to version 2.8.41 or later.
For Symfony versions 3.3.x through 3.3.16, update to version 3.3.17 or later.
For Symfony versions 3.4.x through 3.4.10, update to version 3.4.11 or later.
For Symfony versions 4.0.x through 4.0.10, update to version 4.0.11 or later.
Exploit
Fix
DoS
Insufficient Session Expiration
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Weakness Enumeration
Related Identifiers
Affected Products
Symfony