Security Advisory

CVE-2016-4423

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2016-06-01 22:00:00

Last updated 2024-08-06 00:32:24

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

The attemptAuthentication function in Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php in Symfony before 2.3.41, 2.7.x before 2.7.13, 2.8.x before 2.8.6, and 3.0.x before 3.0.6 does not limit the length of a username stored in a session, which allows remote attackers to cause a denial of service (session storage consumption) via a series of authentication attempts with long, non-existent usernames.

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