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CVE-2018-11407: Improper Authentication

June 13, 2018 (updated August 3, 2018)

An issue was discovered in the Ldap component in Symfony. It allows remote attackers to bypass authentication by logging in with a null password and valid username, which triggers an unauthenticated bind.

References

  • symfony.com/cve-2018-11407

Code Behaviors & Features

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Affected versions

All versions starting from 2.8.0 before 2.8.37, all versions starting from 3.0.0 before 3.4.7, all versions starting from 4.0.0 before 4.0.7

Fixed versions

  • 2.8.37
  • 3.4.7
  • 4.0.7

Solution

Upgrade to versions 2.8.37, 3.4.7, 4.0.7 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-287: Improper Authentication

Source file

packagist/symfony/security-core/CVE-2018-11407.yml

Spotted a mistake? Edit the file on GitLab.

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