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LOW3.7

GHSA-66m4-gc8h-hpjx

Timing attack in eZ Platform Ibexa

Quick fix

GHSA-66m4-gc8h-hpjx — ezsystems/ezplatform-kernel: upgrade to the fixed version with the command below.

composer require ezsystems/ezplatform-kernel:^1.3.19

Details

Ibexa DXP is using random execution time to hinder timing attacks against user accounts, a method of discovering whether a given account exists in a system without knowing its password, thus affecting privacy. This implementation was found to not be good enough in some situations. The fix replaces this with constant time functionality, configured in the new security.yml parameter 'ibexa.security.authentication.constant_auth_time'. It will log a warning if the constant time is exceeded. If this happens the setting should be increased.

Are you affected?

Enter the version of the package you're using.

Affected packages

Packagist/ezsystems/ezplatform-kernel
Introduced in: 1.3.0Fixed in: 1.3.19
Fixcomposer require ezsystems/ezplatform-kernel:^1.3.19
Packagist/ezsystems/ezpublish-kernel
Introduced in: 7.5.0Fixed in: 7.5.29
Fixcomposer require ezsystems/ezpublish-kernel:^7.5.29

References