CVE-2018-11407

Critical

Description

An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a "null" password and valid username, which triggers an unauthenticated bind. NOTE: this issue exists because of an incomplete fix for CVE-2016-2403.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSensiolabs Symfony
PublishedJun 13, 2018
First seenJun 13, 2018

How to fix

Update
  • sensiolabs symfony2.8.37, 3.3.17, 3.4.7, 4.0.7 or later
  • symfony/security-core2.8.37, 3.3.17, 3.4.7, 4.0.7 or later
  • symfony/security2.8.37, 3.3.17, 3.4.7, 4.0.7 or later
  • symfony/symfony2.8.37, 3.3.17, 3.4.7, 4.0.7 or later

Affected products

ProductAffected versionsFixed in
sensiolabs symfony2.8.0 ≤ v < 2.8.37, 3.3.0 ≤ v < 3.3.17, 3.4.0 ≤ v < 3.4.7, 4.0.0 ≤ v < 4.0.72.8.37, 3.3.17, 3.4.7, 4.0.7
symfony/security-corePackagist2.8.0 ≤ v < 2.8.37, 3.0.0 ≤ v < 3.3.17, 3.4.0 ≤ v < 3.4.7, 4.0.0 ≤ v < 4.0.72.8.37, 3.3.17, 3.4.7, 4.0.7
symfony/securityPackagist2.8.0 ≤ v < 2.8.37, 3.0.0 ≤ v < 3.3.17, 3.4.0 ≤ v < 3.4.7, 4.0.0 ≤ v < 4.0.72.8.37, 3.3.17, 3.4.7, 4.0.7
symfony/symfonyPackagist2.8.0 ≤ v < 2.8.37, 3.0.0 ≤ v < 3.3.17, 3.4.0 ≤ v < 3.4.7, 4.0.0 ≤ v < 4.0.72.8.37, 3.3.17, 3.4.7, 4.0.7

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CVE-2018-11407 · Sensiolabs Symfony · Dark Radar