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Drupal: CVE-2017-6930: Language fallback can be incorrect on multilingual sites with node access restrictions

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Drupal: CVE-2017-6930: Language fallback can be incorrect on multilingual sites with node access restrictions

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
03/01/2018
Created
04/22/2019
Added
03/26/2019
Modified
04/02/2019

Description

In Drupal versions 8.4.x versions before 8.4.5 when using node access controls with a multilingual site, Drupal marks the untranslated version of a node as the default fallback for access queries. This fallback is used for languages that do not yet have a translated version of the created node. This can result in an access bypass vulnerability. This issue is mitigated by the fact that it only applies to sites that a) use the Content Translation module; and b) use a node access module such as Domain Access which implement hook_node_access_records().

Solution(s)

  • drupal-upgrade-8_4_5

References

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