National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4423 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2016/dsa-3588
https://github.com/symfony/symfony/pull/18733
https://symfony.com/blog/cve-2016-4423-large-username-storage-in-session Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.3.40
 cpe:2.3:a:sensiolabs:symfony:2.7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.7.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.8.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.8.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.8.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.8.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:2.8.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:3.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:3.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:3.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:3.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:3.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:sensiolabs:symfony:3.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4423
NVD Published Date:
06/01/2016
NVD Last Modified:
06/03/2016