CVE-2016-4423

Published on: 06/01/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:26:57 PM UTC

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Certain versions of Debian Linux from Debian contain the following vulnerability:

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.

  • CVE-2016-4423 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
limited the maximum length of a submitted username by fabpot · Pull Request #18733 · symfony/symfony · GitHub github.com
text/html
URL Logo CONFIRM github.com/symfony/symfony/pull/18733
CVE-2016-4423: Large username storage in session (Symfony Blog) Vendor Advisory
symfony.com
text/html
URL Logo CONFIRM symfony.com/blog/cve-2016-4423-large-username-storage-in-session
Debian -- Security Information -- DSA-3588-1 symfony www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-3588

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
DebianDebian Linux8.0AllAllAll
Operating
System
DebianDebian Linux8.0AllAllAll
ApplicationSensiolabsSymfony2.7.0AllAllAll
ApplicationSensiolabsSymfony2.7.1AllAllAll
ApplicationSensiolabsSymfony2.7.10AllAllAll
ApplicationSensiolabsSymfony2.7.11AllAllAll
ApplicationSensiolabsSymfony2.7.12AllAllAll
ApplicationSensiolabsSymfony2.7.2AllAllAll
ApplicationSensiolabsSymfony2.7.3AllAllAll
ApplicationSensiolabsSymfony2.7.4AllAllAll
ApplicationSensiolabsSymfony2.7.5AllAllAll
ApplicationSensiolabsSymfony2.7.6AllAllAll
ApplicationSensiolabsSymfony2.7.7AllAllAll
ApplicationSensiolabsSymfony2.7.8AllAllAll
ApplicationSensiolabsSymfony2.7.9AllAllAll
ApplicationSensiolabsSymfony2.8.0AllAllAll
ApplicationSensiolabsSymfony2.8.1AllAllAll
ApplicationSensiolabsSymfony2.8.2AllAllAll
ApplicationSensiolabsSymfony2.8.3AllAllAll
ApplicationSensiolabsSymfony2.8.4AllAllAll
ApplicationSensiolabsSymfony2.8.5AllAllAll
ApplicationSensiolabsSymfony3.0.0AllAllAll
ApplicationSensiolabsSymfony3.0.1AllAllAll
ApplicationSensiolabsSymfony3.0.2AllAllAll
ApplicationSensiolabsSymfony3.0.3AllAllAll
ApplicationSensiolabsSymfony3.0.4AllAllAll
ApplicationSensiolabsSymfony3.0.5AllAllAll
ApplicationSensiolabsSymfony2.7.0AllAllAll
ApplicationSensiolabsSymfony2.7.1AllAllAll
ApplicationSensiolabsSymfony2.7.10AllAllAll
ApplicationSensiolabsSymfony2.7.11AllAllAll
ApplicationSensiolabsSymfony2.7.12AllAllAll
ApplicationSensiolabsSymfony2.7.2AllAllAll
ApplicationSensiolabsSymfony2.7.3AllAllAll
ApplicationSensiolabsSymfony2.7.4AllAllAll
ApplicationSensiolabsSymfony2.7.5AllAllAll
ApplicationSensiolabsSymfony2.7.6AllAllAll
ApplicationSensiolabsSymfony2.7.7AllAllAll
ApplicationSensiolabsSymfony2.7.8AllAllAll
ApplicationSensiolabsSymfony2.7.9AllAllAll
ApplicationSensiolabsSymfony2.8.0AllAllAll
ApplicationSensiolabsSymfony2.8.1AllAllAll
ApplicationSensiolabsSymfony2.8.2AllAllAll
ApplicationSensiolabsSymfony2.8.3AllAllAll
ApplicationSensiolabsSymfony2.8.4AllAllAll
ApplicationSensiolabsSymfony2.8.5AllAllAll
ApplicationSensiolabsSymfony3.0.0AllAllAll
ApplicationSensiolabsSymfony3.0.1AllAllAll
ApplicationSensiolabsSymfony3.0.2AllAllAll
ApplicationSensiolabsSymfony3.0.3AllAllAll
ApplicationSensiolabsSymfony3.0.4AllAllAll
ApplicationSensiolabsSymfony3.0.5AllAllAll
ApplicationSensiolabsSymfonyAllAllAllAll
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.10:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.11:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.12:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.4:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.5:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.6:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.7:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.8:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.9:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.4:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.5:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.4:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.5:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.10:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.11:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.12:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.4:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.5:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.6:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.7:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.8:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.7.9:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.4:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:2.8.5:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.4:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:3.0.5:*:*:*:*:*:*:*:
  • cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*: