PT-2018-3149 · Symfony · Symfony

Federico Stange

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Published

2018-05-25

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Updated

2022-05-14

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CVE-2018-11386

CVSS v3.1

5.9

Medium

VectorAV: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

BDU:2019-04244
CVE-2018-11386
DSA-4262-1
GHSA-R2RQ-3H56-FQM4

Affected Products

Symfony